simplepie.inc.php

			}
		}
		else
		{
			return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
		}
	}

	function atom_10_construct_type($attribs)
	{
		if (isset($attribs['']['type']))
		{
			switch (strtolower(trim($attribs['']['type'])))
			{
				case 'text':
					return SIMPLEPIE_CONSTRUCT_TEXT;

				case 'html':
					return SIMPLEPIE_CONSTRUCT_HTML;

				case 'xhtml':
					return SIMPLEPIE_CONSTRUCT_XHTML;

				default:
					return SIMPLEPIE_CONSTRUCT_NONE;
			}
		}
		return SIMPLEPIE_CONSTRUCT_TEXT;
	}

	function atom_10_content_construct_type($attribs)
	{
		if (isset($attribs['']['type']))
		{
			$type = strtolower(trim($attribs['']['type']));
			switch ($type)
			{
				case 'text':
					return SIMPLEPIE_CONSTRUCT_TEXT;

				case 'html':
					return SIMPLEPIE_CONSTRUCT_HTML;

				case 'xhtml':
					return SIMPLEPIE_CONSTRUCT_XHTML;
			}
			if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/')
			{
				return SIMPLEPIE_CONSTRUCT_NONE;
			}
			else
			{
				return SIMPLEPIE_CONSTRUCT_BASE64;
			}
		}
		else
		{
			return SIMPLEPIE_CONSTRUCT_TEXT;
		}
	}

	function is_isegment_nz_nc($string)
	{
		return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
	}

	function space_seperated_tokens($string)
	{
		$space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
		$string_length = strlen($string);

		$position = strspn($string, $space_characters);
		$tokens = array();

		while ($position < $string_length)
		{
			$len = strcspn($string, $space_characters, $position);
			$tokens[] = substr($string, $position, $len);
			$position += $len;
			$position += strspn($string, $space_characters, $position);
		}

		return $tokens;
	}

	function array_unique($array)
	{
		if (version_compare(PHP_VERSION, '5.2', '>='))
		{
			return array_unique($array);
		}
		else
		{
			$array = (array) $array;
			$new_array = array();
			$new_array_strings = array();
			foreach ($array as $key => $value)
			{
				if (is_object($value))
				{
					if (method_exists($value, '__toString'))
					{
						$cmp = $value->__toString();
					}
					else
					{
						trigger_error('Object of class ' . get_class($value) . ' could not be converted to string', E_USER_ERROR);
					}
				}
				elseif (is_array($value))
				{
					$cmp = (string) reset($value);
				}
				else
				{
					$cmp = (string) $value;
				}
				if (!in_array($cmp, $new_array_strings))
				{
					$new_array[$key] = $value;
					$new_array_strings[] = $cmp;
				}
			}
			return $new_array;
		}
	}

	/**
	 * Converts a unicode codepoint to a UTF-8 character
	 *
	 * @static
	 * @access public
	 * @param int $codepoint Unicode codepoint
	 * @return string UTF-8 character
	 */
	function codepoint_to_utf8($codepoint)
	{
		$codepoint = (int) $codepoint;
		if ($codepoint < 0)
		{
			return false;
		}
		else if ($codepoint <= 0x7f)
		{
			return chr($codepoint);
		}
		else if ($codepoint <= 0x7ff)
		{
			return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else if ($codepoint <= 0xffff)
		{
			return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else if ($codepoint <= 0x10ffff)
		{
			return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
		}
		else
		{
			// U+FFFD REPLACEMENT CHARACTER
			return "\xEF\xBF\xBD";
		}
	}

	/**
	 * Re-implementation of PHP 5's stripos()
	 *
	 * Returns the numeric position of the first occurrence of needle in the
	 * haystack string.
	 *
	 * @static
	 * @access string
	 * @param object $haystack
	 * @param string $needle Note that the needle may be a string of one or more
	 *     characters. If needle is not a string, it is converted to an integer
	 *     and applied as the ordinal value of a character.
	 * @param int $offset The optional offset parameter allows you to specify which
	 *     character in haystack to start searching. The position returned is still
	 *     relative to the beginning of haystack.
	 * @return bool If needle is not found, stripos() will return boolean false.
	 */
	function stripos($haystack, $needle, $offset = 0)
	{
		if (function_exists('stripos'))
		{
			return stripos($haystack, $needle, $offset);
		}
		else
		{
			if (is_string($needle))
			{
				$needle = strtolower($needle);
			}
			elseif (is_int($needle) || is_bool($needle) || is_double($needle))
			{
				$needle = strtolower(chr($needle));
			}
			else
			{
				trigger_error('needle is not a string or an integer', E_USER_WARNING);
				return false;
			}

			return strpos(strtolower($haystack), $needle, $offset);
		}
	}

	/**
	 * Similar to parse_str()
	 *
	 * Returns an associative array of name/value pairs, where the value is an
	 * array of values that have used the same name
	 *
	 * @static
	 * @access string
	 * @param string $str The input string.
	 * @return array
	 */
	function parse_str($str)
	{
		$return = array();
		$str = explode('&', $str);

		foreach ($str as $section)
		{
			if (strpos($section, '=') !== false)
			{
				list($name, $value) = explode('=', $section, 2);
				$return[urldecode($name)][] = urldecode($value);
			}
			else
			{
				$return[urldecode($section)][] = null;
			}
		}

		return $return;
	}

	/**
	 * Detect XML encoding, as per XML 1.0 Appendix F.1
	 *
	 * @todo Add support for EBCDIC
	 * @param string $data XML data
	 * @return array Possible encodings
	 */
	function xml_encoding($data)
	{
		// UTF-32 Big Endian BOM
		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
		{
			$encoding[] = 'UTF-32BE';
		}
		// UTF-32 Little Endian BOM
		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
		{
			$encoding[] = 'UTF-32LE';
		}
		// UTF-16 Big Endian BOM
		elseif (substr($data, 0, 2) === "\xFE\xFF")
		{
			$encoding[] = 'UTF-16BE';
		}
		// UTF-16 Little Endian BOM
		elseif (substr($data, 0, 2) === "\xFF\xFE")
		{
			$encoding[] = 'UTF-16LE';
		}
		// UTF-8 BOM
		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
		{
			$encoding[] = 'UTF-8';
		}
		// UTF-32 Big Endian Without BOM
		elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
		{
			if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
			{
				$parser =& new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-32BE';
		}
		// UTF-32 Little Endian Without BOM
		elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
		{
			if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
			{
				$parser =& new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-32LE';
		}
		// UTF-16 Big Endian Without BOM
		elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
		{
			if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
			{
				$parser =& new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-16BE';
		}
		// UTF-16 Little Endian Without BOM
		elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
		{
			if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
			{
				$parser =& new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-16LE';
		}
		// US-ASCII (or superset)
		elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
		{
			if ($pos = strpos($data, "\x3F\x3E"))
			{
				$parser =& new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
				if ($parser->parse())
				{
					$encoding[] = $parser->encoding;
				}
			}
			$encoding[] = 'UTF-8';
		}
		// Fallback to UTF-8
		else
		{
			$encoding[] = 'UTF-8';
		}
		return $encoding;
	}

	function output_javascript()
	{
		if (function_exists('ob_gzhandler'))
		{
			ob_start('ob_gzhandler');
		}
		header('Content-type: text/javascript; charset: UTF-8');
		header('Cache-Control: must-revalidate');
		header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
		?>
function embed_odeo(link) {
	document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>');
}

function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
	if (placeholder != '') {
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
	}
	else {
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
	}
}

function embed_flash(bgcolor, width, height, link, loop, type) {
	document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
}

function embed_flv(width, height, link, placeholder, loop, player) {
	document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
}

function embed_wmedia(width, height, link) {
	document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
}
		<?php
	}
}

/**
 * Decode HTML Entities
 *
 * This implements HTML5 as of revision 967 (2007-06-28)
 *
 * @package SimplePie
 */
class SimplePie_Decode_HTML_Entities
{
	/**
	 * Data to be parsed
	 *
	 * @access private
	 * @var string
	 */
	var $data = '';

	/**
	 * Currently consumed bytes
	 *
	 * @access private
	 * @var string
	 */
	var $consumed = '';

	/**
	 * Position of the current byte being parsed
	 *
	 * @access private
	 * @var int
	 */
	var $position = 0;

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

	/**
	 * Parse the input data
	 *
	 * @access public
	 * @return string Output data
	 */
	function parse()
	{
		while (($this->position = strpos($this->data, '&', $this->position)) !== false)
		{
			$this->consume();
			$this->entity();
			$this->consumed = '';
		}
		return $this->data;
	}

	/**
	 * Consume the next byte
	 *
	 * @access private
	 * @return mixed The next byte, or false, if there is no more data
	 */
	function consume()
	{
		if (isset($this->data[$this->position]))
		{
			$this->consumed .= $this->data[$this->position];
			return $this->data[$this->position++];
		}
		else
		{
			return false;
		}
	}

	/**
	 * Consume a range of characters
	 *
	 * @access private
	 * @param string $chars Characters to consume
	 * @return mixed A series of characters that match the range, or false
	 */
	function consume_range($chars)
	{
		if ($len = strspn($this->data, $chars, $this->position))
		{
			$data = substr($this->data, $this->position, $len);
			$this->consumed .= $data;
			$this->position += $len;
			return $data;
		}
		else
		{
			return false;
		}
	}

	/**
	 * Unconsume one byte
	 *
	 * @access private
	 */
	function unconsume()
	{
		$this->consumed = substr($this->consumed, 0, -1);
		$this->position--;
	}

	/**
	 * Decode an entity
	 *
	 * @access private
	 */
	function entity()
	{
		switch ($this->consume())
		{
			case "\x09":
			case "\x0A":
			case "\x0B":
			case "\x0B":
			case "\x0C":
			case "\x20":
			case "\x3C":
			case "\x26":
			case false:
				break;

			case "\x23":
				switch ($this->consume())
				{
					case "\x78":
					case "\x58":
						$range = '0123456789ABCDEFabcdef';
						$hex = true;
						break;

					default:
						$range = '0123456789';
						$hex = false;
						$this->unconsume();
						break;
				}

				if ($codepoint = $this->consume_range($range))
				{
					static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");

					if ($hex)
					{
						$codepoint = hexdec($codepoint);
					}
					else
					{
						$codepoint = intval($codepoint);
					}

					if (isset($windows_1252_specials[$codepoint]))
					{
						$replacement = $windows_1252_specials[$codepoint];
					}
					else
					{
						$replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
					}

					if (!in_array($this->consume(), array(';', false), true))
					{
						$this->unconsume();
					}

					$consumed_length = strlen($this->consumed);
					$this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
					$this->position += strlen($replacement) - $consumed_length;
				}
				break;

			default:
				static $entities = array('Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C");

				for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
				{
					$consumed = substr($this->consumed, 1);
					if (isset($entities[$consumed]))
					{
						$match = $consumed;
					}
				}

				if ($match !== null)
				{
 					$this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
					$this->position += strlen($entities[$match]) - strlen($consumed) - 1;
				}
				break;
		}
	}
}

/**
 * IRI parser/serialiser
 *
 * @package SimplePie
 */
class SimplePie_IRI
{
	/**
	 * Scheme
	 *
	 * @access private
	 * @var string
	 */
	var $scheme;

	/**
	 * User Information
	 *
	 * @access private
	 * @var string
	 */
	var $userinfo;

	/**
	 * Host
	 *
	 * @access private
	 * @var string
	 */
	var $host;

	/**
	 * Port
	 *
	 * @access private
	 * @var string
	 */
	var $port;

	/**
	 * Path
	 *
	 * @access private
	 * @var string
	 */
	var $path;

	/**
	 * Query
	 *
	 * @access private
	 * @var string
	 */
	var $query;

	/**
	 * Fragment
	 *
	 * @access private
	 * @var string
	 */
	var $fragment;

	/**
	 * Whether the object represents a valid IRI
	 *
	 * @access private
	 * @var array
	 */
	var $valid = array();

	/**
	 * Return the entire IRI when you try and read the object as a string
	 *
	 * @access public
	 * @return string
	 */
	function __toString()
	{
		return $this->get_iri();
	}

	/**
	 * Create a new IRI object, from a specified string
	 *
	 * @access public
	 * @param string $iri
	 * @return SimplePie_IRI
	 */
	function SimplePie_IRI($iri)
	{
		$iri = (string) $iri;
		if ($iri !== '')
		{
			$parsed = $this->parse_iri($iri);
			$this->set_scheme($parsed['scheme']);
			$this->set_authority($parsed['authority']);
			$this->set_path($parsed['path']);
			$this->set_query($parsed['query']);
			$this->set_fragment($parsed['fragment']);
		}
	}

	/**
	 * Create a new IRI object by resolving a relative IRI
	 *
	 * @static
	 * @access public
	 * @param SimplePie_IRI $base Base IRI
	 * @param string $relative Relative IRI
	 * @return SimplePie_IRI
	 */
	function absolutize($base, $relative)
	{
		$relative = (string) $relative;
		if ($relative !== '')
		{
			$relative =& new SimplePie_IRI($relative);
			if ($relative->get_scheme() !== null)
			{
				$target = $relative;
			}
			elseif ($base->get_iri() !== null)
			{
				if ($relative->get_authority() !== null)
				{
					$target = $relative;
					$target->set_scheme($base->get_scheme());
				}
				else
				{
					$target =& new SimplePie_IRI('');
					$target->set_scheme($base->get_scheme());
					$target->set_userinfo($base->get_userinfo());
					$target->set_host($base->get_host());
					$target->set_port($base->get_port());
					if ($relative->get_path() !== null)
					{
						if (strpos($relative->get_path(), '/') === 0)
						{
							$target->set_path($relative->get_path());
						}
						elseif (($base->get_userinfo() !== null || $base->get_host() !== null || $base->get_port() !== null) && $base->get_path() === null)
						{
							$target->set_path('/' . $relative->get_path());
						}
						elseif (($last_segment = strrpos($base->get_path(), '/')) !== false)
						{
							$target->set_path(substr($base->get_path(), 0, $last_segment + 1) . $relative->get_path());
						}
						else
						{
							$target->set_path($relative->get_path());
						}
						$target->set_query($relative->get_query());
					}
					else
					{
						$target->set_path($base->get_path());
						if ($relative->get_query() !== null)
						{
							$target->set_query($relative->get_query());
						}
						elseif ($base->get_query() !== null)
						{
							$target->set_query($base->get_query());
						}
					}
				}
				$target->set_fragment($relative->get_fragment());
			}
			else
			{
				// No base URL, just return the relative URL
				$target = $relative;
			}
		}
		else
		{
			$target = $base;
		}
		return $target;
	}

	/**
	 * Parse an IRI into scheme/authority/path/query/fragment segments
	 *
	 * @access private
	 * @param string $iri
	 * @return array
	 */
	function parse_iri($iri)
	{
		preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/', $iri, $match);
		for ($i = count($match); $i <= 9; $i++)
		{
			$match[$i] = '';
		}
		return array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[7], 'fragment' => $match[9]);
	}

	/**
	 * Remove dot segments from a path
	 *
	 * @access private
	 * @param string $input
	 * @return string
	 */
	function remove_dot_segments($input)
	{
		$output = '';
		while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
		{
			// A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
			if (strpos($input, '../') === 0)
			{
				$input = substr($input, 3);
			}
			elseif (strpos($input, './') === 0)
			{
				$input = substr($input, 2);
			}
			// B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
			elseif (strpos($input, '/./') === 0)
			{
				$input = substr_replace($input, '/', 0, 3);
			}
			elseif ($input === '/.')
			{
				$input = '/';
			}
			// C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
			elseif (strpos($input, '/../') === 0)
			{
				$input = substr_replace($input, '/', 0, 4);
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			elseif ($input === '/..')
			{
				$input = '/';
				$output = substr_replace($output, '', strrpos($output, '/'));
			}
			// D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
			elseif ($input === '.' || $input === '..')
			{
				$input = '';
			}
			// E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
			elseif (($pos = strpos($input, '/', 1)) !== false)
			{
				$output .= substr($input, 0, $pos);
				$input = substr_replace($input, '', 0, $pos);
			}
			else
			{
				$output .= $input;
				$input = '';
			}
		}
		return $output . $input;
	}

	/**
	 * Replace invalid character with percent encoding
	 *
	 * @access private
	 * @param string $string Input string
	 * @param string $valid_chars Valid characters
	 * @param int $case Normalise case
	 * @return string
	 */
	function replace_invalid_with_pct_encoding($string, $valid_chars, $case = SIMPLEPIE_SAME_CASE)
	{
		// Normalise case
		if ($case & SIMPLEPIE_LOWERCASE)
		{
			$string = strtolower($string);
		}
		elseif ($case & SIMPLEPIE_UPPERCASE)
		{
			$string = strtoupper($string);
		}

		// Store position and string length (to avoid constantly recalculating this)
		$position = 0;
		$strlen = strlen($string);

		// Loop as long as we have invalid characters, advancing the position to the next invalid character
		while (($position += strspn($string, $valid_chars, $position)) < $strlen)
		{
			// If we have a % character
			if ($string[$position] === '%')
			{
				// If we have a pct-encoded section
				if ($position + 2 < $strlen && strspn($string, '0123456789ABCDEFabcdef', $position + 1, 2) === 2)
				{
					// Get the the represented character
					$chr = chr(hexdec(substr($string, $position + 1, 2)));

					// If the character is valid, replace the pct-encoded with the actual character while normalising case
					if (strpos($valid_chars, $chr) !== false)
					{
						if ($case & SIMPLEPIE_LOWERCASE)
						{
							$chr = strtolower($chr);
						}
						elseif ($case & SIMPLEPIE_UPPERCASE)
						{
							$chr = strtoupper($chr);
						}
						$string = substr_replace($string, $chr, $position, 3);
						$strlen -= 2;
						$position++;
					}

					// Otherwise just normalise the pct-encoded to uppercase
					else
					{
						$string = substr_replace($string, strtoupper(substr($string, $position + 1, 2)), $position + 1, 2);
						$position += 3;
					}
				}
				// If we don't have a pct-encoded section, just replace the % with its own esccaped form
				else
				{
					$string = substr_replace($string, '%25', $position, 1);
					$strlen += 2;
					$position += 3;
				}
			}
			// If we have an invalid character, change into its pct-encoded form
			else
			{
				$replacement = sprintf("%%%02X", ord($string[$position]));
				$string = str_replace($string[$position], $replacement, $string);
				$strlen = strlen($string);
			}
		}
		return $string;
	}

	/**
	 * Check if the object represents a valid IRI
	 *
	 * @access public
	 * @return bool
	 */
	function is_valid()
	{
		return array_sum($this->valid) === count($this->valid);
	}

	/**
	 * Set the scheme. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @access public
	 * @param string $scheme
	 * @return bool
	 */
	function set_scheme($scheme)
	{
		if ($scheme === null || $scheme === '')
		{
			$this->scheme = null;
		}
		else
		{
			$len = strlen($scheme);
			switch (true)
			{
				case $len > 1:
					if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-.', 1))
					{
						$this->scheme = null;
						$this->valid[__FUNCTION__] = false;
						return false;
					}

				case $len > 0:
					if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', 0, 1))
					{
						$this->scheme = null;
						$this->valid[__FUNCTION__] = false;
						return false;
					}
			}
			$this->scheme = strtolower($scheme);
		}
		$this->valid[__FUNCTION__] = true;
		return true;
	}

	/**
	 * Set the authority. Returns true on success, false on failure (if there are
	 * any invalid characters).
	 *
	 * @access public
	 * @param string $authority
	 * @return bool
	 */
	function set_authority($authority)
	{
		if (($userinfo_end = strrpos($authority, '@')) !== false)
		{
			$userinfo = substr($authority, 0, $userinfo_end);
			$authority = substr($authority, $userinfo_end + 1);
		}
		else
		{
			$userinfo = null;