/lib/simplepie/simplepie_060803.inc

<?php
/****************************************************
SIMPLEPIE
A PHP-Based RSS and Atom Feed Framework
Takes the hard work out of managing a complete RSS/Atom solution.

Version: "Lemon Meringue"
Updated: 3 August 2006
Copyright: 2004-2006 Ryan Parman, Geoffrey Sneddon
http://simplepie.org

*****************************************************
LICENSE:

GNU Lesser General Public License 2.1 (LGPL)
http://creativecommons.org/licenses/LGPL/2.1/

*****************************************************
Please submit all bug reports and feature requests to the SimplePie forums.
http://simplepie.org/support/

****************************************************/

class SimplePie
{
	// SimplePie Info
	var $name = 'SimplePie';
	var $version = 'Lemon Meringue';
	var $build = '20060803';
	var $url = 'http://simplepie.org/';
	var $useragent;
	var $linkback;
	
	// Other objects, instances created here so we can set options on them
	var $sanitize;
	
	// Options
	var $rss_url;
	var $xml_dump = false;
	var $enable_cache = true;
	var $max_minutes = 60;
	var $cache_location = './cache';
	var $order_by_date = true;
	
	// Misc. variables
	var $data;
	var $error;
	
	function SimplePie($feed_url = null, $cache_location = null, $cache_max_minutes = null)
	{
		$this->useragent = $this->name . '/' . $this->version . ' (Feed Parser; ' . $this->url . '; Allow like Gecko) Build/' . $this->build;
		$this->linkback = '<a href="' . $this->url . '" title="' . $this->name . ' ' . $this->version . '">' . $this->name . '</a>';
		
		// Other objects, instances created here so we can set options on them
		$this->sanitize = new SimplePie_Sanitize;
		
		// Parse the feed, if we get the data sent directly here
		if (!is_null($feed_url)) {
			$this->feed_url($feed_url);
		}

		if (!is_null($cache_location)) {
			$this->cache_location($cache_location);
		}

		if (!is_null($cache_max_minutes)) {
			$this->cache_max_minutes($cache_max_minutes);
		}

		// If we've passed an xmldump variable in the URL, snap into XMLdump mode
		if (isset($_GET['xmldump'])) {
			$this->enable_xmldump(true);
		}

		if (!is_null($feed_url)) {
			return $this->init();
		}
	}
	
	function feed_url($url)
	{
		$this->rss_url = SimplePie_Misc::fix_protocol($url, 1);
	}
	
	function enable_xmldump($enable = false)
	{
		$this->xml_dump = (bool) $enable;
	}
	
	function enable_caching($enable = true)
	{
		$this->enable_cache = (bool) $enable;
	}
	
	function cache_max_minutes($minutes = 60)
	{
		$this->max_minutes = (float) $minutes;
	}
	
	function cache_location($location = './cache')
	{
		$this->cache_location = (string) $location;
	}
	
	function order_by_date($enable = true)
	{
		$this->order_by_date = (bool) $enable;
	}
	
	function bypass_image_hotlink($get = 'i')
	{
		$this->sanitize->bypass_image_hotlink($get);
	}
	
	function bypass_image_hotlink_page($page = false)
	{
		$this->sanitize->bypass_image_hotlink_page($page);
	}
	
	function replace_headers($enable = false)
	{
		$this->sanitize->replace_headers($enable);
	}
	
	function remove_div($enable = true)
	{
		$this->sanitize->remove_div($enable);
	}
	
	function strip_ads($enable = true)
	{
		$this->sanitize->strip_ads($enable);
	}
	
	function strip_htmltags($tags = array('blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'), $encode = null)
	{
		$this->sanitize->strip_htmltags($tags);
		if (!is_null($encode))
		{
			$this->sanitize->encode_instead_of_strip($tags);
		}
	}
	
	function encode_instead_of_strip($enable = true)
	{
		$this->sanitize->encode_instead_of_strip($enable);
	}
	
	function strip_attributes($attribs = array('class', 'id', 'style', 'onclick', 'onmouseover', 'onmouseout', 'onfocus', 'onblur'))
	{
		$this->sanitize->strip_attributes($attribs);
	}
	
	function init()
	{
		if ($this->sanitize->bypass_image_hotlink && !empty($_GET[$this->sanitize->bypass_image_hotlink]))
		{
			if (get_magic_quotes_gpc())
			{
				$_GET[$this->sanitize->bypass_image_hotlink] = stripslashes($_GET[$this->sanitize->bypass_image_hotlink]);
			}
			SimplePie_Misc::display_file($_GET[$this->sanitize->bypass_image_hotlink], 10, $this->useragent);
		}
		
		if (isset($_GET['js']))
		{
			$embed = <<<EOT
function embed_odeo(link) {document.writeln('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="440" height="80" align="middle"><param name="movie" value="http://odeo.com/flash/audio_player_fullsize.swf" /><param name="allowScriptAccess" value="any" /><param name="quality" value="high"><param name="wmode" value="transparent"><param name="flashvars" value="valid_sample_rate=true&external_url='+link+'" /><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></object>');}
function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {document.writeln('<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" style="cursor:hand; cursor:pointer;" type="'+type+'" codebase="http://www.apple.com/qtactivex/qtplugin.cab" bgcolor="'+bgcolor+'" width="'+width+'" height="'+height+'"><param name="href" value="'+link+'" /><param name="src" value="'+placeholder+'" /><param name="autoplay" value="false" /><param name="target" value="myself" /><param name="controller" value="false" /><param name="loop" value="'+loop+'" /><param name="scale" value="aspect" /><param name="bgcolor" value="'+bgcolor+'"><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></object>');}
function embed_flash(bgcolor, width, height, link, loop, type) {document.writeln('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" bgcolor="'+bgcolor+'" width="'+width+'" height="'+height+'"><param name="movie" value="'+link+'"><param name="quality" value="high"><param name="loop" value="'+loop+'"><param name="bgcolor" value="'+bgcolor+'"><embed src="'+link+'" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed></object>');}
function embed_wmedia(width, height, link) {document.writeln('<object classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95" type="application/x-oleobject" width="'+width+'" height="'+height+'" standby="Loading Windows Media Player..."><param name="FileName" value="'+link+'"><param name="autosize" value="true"><param name="ShowControls" value="true"><param name="ShowStatusBar" value="false"><param name="ShowDisplay" value="false"><param name="autostart" value="false"><embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed></object>');}
EOT;

			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() + 86400) . ' GMT');
			echo $embed;
			exit;
		}
		
		if (!empty($this->rss_url))
		{
			$this->data = array();
			if ($this->enable_cache && preg_match('/^http(s)?:\/\//i', $this->rss_url))
			{
				$cache = new SimplePie_Cache($this->cache_location, sha1($this->rss_url), 'spc');
			}
			else
			{
				$cache = false;
			}
			if ($cache && !$this->xml_dump)
			{
				$this->data = $cache->load();
				if (!empty($this->data))
				{
					if (!empty($this->data['feed_url']))
					{
						$this->rss_url = $this->data['feed_url'];
						return $this->init();
					}
					else if ($cache->mtime() + $this->max_minutes * 60 < time())
					{
						if (!empty($this->data['last-modified']) || !empty($this->data['etag']))
						{
							$headers = array();
							if (!empty($this->data['last-modified']))
							{
								$headers['if-modified-since'] = $this->data['last-modified'];
							}
							if (!empty($this->data['etag']))
							{
								$headers['if-none-match'] = $this->data['etag'];
							}
							$file = new SimplePie_File($this->rss_url, 1, 5, $headers, $this->useragent);
							if ($file->success)
							{
								$headers = $file->headers();
								if ($headers['status']['code'] == 304)
								{
									$cache->touch();
									return true;
								}
							}
							unset($file);
						}
						else
						{
							$cache->unlink();
						}
					}
					else
					{
						return true;
					}
				}
				else
				{
					$cache->unlink();
				}
			}
			$this->data = array();
			if (!isset($file))
			{
				$file = new SimplePie_File($this->rss_url, 10, 5, null, $this->useragent);
			}
			if (!$file->success)
			{
				return false;
			}
			
			if (!SimplePie_Locator::is_feed($file))
			{
				$locate = new SimplePie_Locator($file);
				$feed = $locate->find();
				if ($feed)
				{
					if ($cache && !$cache->save(array('feed_url' => $feed)))
					{
						$this->error = "$cache->name is not writeable";
						SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
					}
					$this->rss_url = $feed;
					return $this->init();
				}
				else
				{
					$this->error = "A feed could not be found at $this->rss_url";
					SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
					return false;
				}
			}
			
			$headers = $file->headers();
			$data = trim($file->body());
			$file->close();
			unset($file);
			
			// First try HTTP headers
			if (!empty($headers['content-type']) && preg_match('/charset=(.*)/i', $headers['content-type'], $charset))
			{
				$encoding = SimplePie_Misc::encoding($charset[1]);
			}
			// Then prolog, if at the very start of the document
			else if (preg_match('/^<\?xml(.*)?>/msiU', $data, $prolog) && preg_match('/encoding\s*=\s*["|\'](.*)["|\']/Ui', $prolog[1], $encoding))
			{
				$encoding = SimplePie_Misc::encoding($encoding[1]);
			}
			// UTF-32 Big Endian BOM
			else if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0)
			{
				$encoding = SimplePie_Misc::encoding('UTF-32be');
			}
			// UTF-32 Little Endian BOM
			else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0)
			{
				$encoding = SimplePie_Misc::encoding('UTF-32');
			}
			// UTF-16 Big Endian BOM
			else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0)
			{
				$encoding = SimplePie_Misc::encoding('UTF-16be');
			}
			// UTF-16 Little Endian BOM
			else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0)
			{
				$encoding = SimplePie_Misc::encoding('UTF-16le');
			}
			// UTF-8 BOM
			else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0)
			{
				$encoding = SimplePie_Misc::encoding('UTF-8');
			}
			// Fallback to the default
			else
			{
				$encoding = SimplePie_Misc::encoding(null);
			}
			
			if (function_exists('iconv') && $encoding['use_iconv'] && iconv($encoding['encoding'], 'UTF-8//TRANSLIT', $data))
			{
				$data = iconv($encoding['encoding'], 'UTF-8//TRANSLIT', $data);
				$encoding['encoding'] = 'UTF-8';
			}
			else if (function_exists('iconv') && $encoding['use_iconv'] && iconv($encoding['encoding'], 'UTF-8', $data))
			{
				$data = iconv($encoding['encoding'], 'UTF-8', $data);
				$encoding['encoding'] = 'UTF-8';
			}
			else if (function_exists('mb_convert_encoding') && $encoding['use_mbstring'])
			{
				$data = mb_convert_encoding($data, 'UTF-8', $encoding['encoding']);
				$encoding['encoding'] = 'UTF-8';
			}
			else if ($encoding['encoding'] == 'ISO-8859-1')
			{
				$data = utf8_encode($data);
				$encoding['encoding'] = 'UTF-8';
			}
			else
			{
				$encoding['encoding'] = 'UTF-8';
			}
			
			$data = new SimplePie_Parser($data, 'UTF-8', $this->xml_dump);
			if ($this->xml_dump)
			{
				header('Content-type: text/xml; charset=UTF-8');
				echo $data->data;
				exit;
			}
			else if (!$data->error_code)
			{
				$this->sanitize->parse_data_array($data->data);
				unset($data);
				$this->data['feedinfo'] = $this->sanitize->feedinfo;
				$this->data['info'] = $this->sanitize->info;
				$this->data['items'] = $this->sanitize->items;
				unset($this->sanitize);
				$this->data['feedinfo']['encoding'] = 'UTF-8';
				if (!empty($headers['last-modified']))
				{
					$this->data['last-modified'] = $headers['last-modified'];
				}
				if (!empty($headers['etag']))
				{
					$this->data['etag'] = $headers['etag'];
				}
				if ($this->order_by_date && !empty($this->data['items']))
				{
					$do_sort = true;
					foreach ($this->data['items'] as $item)
					{
						if (!isset($item->date))
						{
							$do_sort = false;
							break;
						}
					}
					if ($do_sort)
					{
						usort($this->data['items'], create_function('$a,$b', 'if ($a->date == $b->date) return 0; return ($a->date < $b->date) ? 1 : -1;'));
					}
				}
				if ($cache && !$cache->save($this->data))
				{
					$this->error = "$cache->name is not writeable";
					SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
				}
				return true;
			}
			else
			{
				$this->error = "XML error: $data->error_string at line $data->current_line, column $data->current_column";
				SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
				return false;
			}
		}
	}
	
	function get_encoding()
	{
		if (!empty($this->data['feedinfo']['encoding']))
		{
			return $this->data['feedinfo']['encoding'];
		}
		else
		{
			return false;
		}
	}
	
	function handle_content_type($mime='text/html')
	{
		if (!headers_sent())
		{
			$header = "Content-type: $mime;";
			if ($this->get_encoding())
			{
				$header .= ' charset=' . $this->get_encoding();
			}
			else
			{
				$header .= ' charset=UTF-8';
			}
			header($header);
		}
	}
	
	function get_type()
	{
		if (!empty($this->data['feedinfo']['type']))
		{
			return $this->data['feedinfo']['type'];
		}
		else
		{
			return false;
		}
	}
	
	function get_version()
	{
		if (!empty($this->data['feedinfo']['version']))
		{
			return $this->data['feedinfo']['version'];
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_url()
	{
		if (!empty($this->rss_url))
		{
			return $this->rss_url;
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_feed()
	{
		if (!empty($this->rss_url))
		{
			return SimplePie_Misc::fix_protocol($this->rss_url, 2);
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_outlook()
	{
		if (!empty($this->rss_url))
		{
			return 'outlook' . SimplePie_Misc::fix_protocol($this->rss_url, 2);
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_podcast()
	{
		if (!empty($this->rss_url))
		{
			return SimplePie_Misc::fix_protocol($this->rss_url, 3);
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_aol()
	{
		if ($this->subscribe_url())
		{
			return 'http://feeds.my.aol.com/add.jsp?url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_bloglines()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.bloglines.com/sub/' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_eskobo()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.eskobo.com/?AddToMyPage=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_feedfeeds()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.feedfeeds.com/add?feed=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_feedlounge()
	{
		if ($this->subscribe_url())
		{
			return 'http://my.feedlounge.com/external/subscribe?url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_feedster()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.feedster.com/myfeedster.php?action=addrss&amp;confirm=no&amp;rssurl=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_google()
	{
		if ($this->subscribe_url())
		{
			return 'http://fusion.google.com/add?feedurl=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_gritwire()
	{
		if ($this->subscribe_url())
		{
			return 'http://my.gritwire.com/feeds/addExternalFeed.aspx?FeedUrl=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_msn()
	{
		if ($this->subscribe_url())
		{
			$url = 'http://my.msn.com/addtomymsn.armx?id=rss&amp;ut=' . rawurlencode($this->subscribe_url());
			if ($this->get_feed_link())
			{
				$url .= '&amp;ru=' . rawurlencode($this->get_feed_link());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_netvibes()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.netvibes.com/subscribe.php?url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_newsburst()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.newsburst.com/Source/?add=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_newsgator()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.newsgator.com/ngs/subscriber/subext.aspx?url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_odeo()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.odeo.com/listen/subscribe?feed=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_pluck()
	{
		if ($this->subscribe_url())
		{
			return 'http://client.pluck.com/pluckit/prompt.aspx?GCID=C12286x053&amp;a=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_podnova()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.podnova.com/index_your_podcasts.srf?action=add&amp;url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_rojo()
	{
		if ($this->subscribe_url())
		{
			return 'http://www.rojo.com/add-subscription?resource=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function subscribe_yahoo()
	{
		if ($this->subscribe_url())
		{
			return 'http://add.my.yahoo.com/rss?url=' . rawurlencode($this->subscribe_url());
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_title()
	{
		if (!empty($this->data['info']['title']))
		{
			return $this->data['info']['title'];
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_link()
	{
		if (!empty($this->data['info']['link']['alternate'][0]))
		{
			return $this->data['info']['link']['alternate'][0];
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_links()
	{
		if (!empty($this->data['info']['link']))
		{
			return $this->data['info']['link'];
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_description()
	{
		if (!empty($this->data['info']['description']))
		{
			return $this->data['info']['description'];
		}
		else if (!empty($this->data['info']['dc:description']))
		{
			return $this->data['info']['dc:description'];
		}
		else if (!empty($this->data['info']['tagline']))
		{
			return $this->data['info']['tagline'];
		}
		else if (!empty($this->data['info']['subtitle']))
		{
			return $this->data['info']['subtitle'];
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_copyright()
	{
		if (!empty($this->data['info']['copyright']))
		{
			return $this->data['info']['copyright'];
		}
		else
		{
			return false;
		}
	}
	
	function get_feed_language()
	{
		if (!empty($this->data['info']['language']))
		{
			return $this->data['info']['language'];
		}
		else if (!empty($this->data['info']['xml:lang']))
		{
			return $this->data['info']['xml:lang'];
		}
		else
		{
			return false;
		}
	}
	
	function get_image_exist()
	{
		if (!empty($this->data['info']['image']['url']) || !empty($this->data['info']['image']['logo']))
		{
			return true;
		}
		else
		{
			return false;
		}
	}
	
	function get_image_title()
	{
		if (!empty($this->data['info']['image']['title']))
		{
			return $this->data['info']['image']['title'];
		}
		else
		{
			return false;
		}
	}
	
	function get_image_url()
	{
		if (!empty($this->data['info']['image']['url']))
		{
			return $this->data['info']['image']['url'];
		}
		else if (!empty($this->data['info']['image']['logo']))
		{
			return $this->data['info']['image']['logo'];
		}
		else
		{
			return false;
		}
	}
	
	function get_image_link()
	{
		if (!empty($this->data['info']['image']['link']))
		{
			return $this->data['info']['image']['link'];
		}
		else
		{
			return false;
		}
	}
	
	function get_image_width()
	{
		if (!empty($this->data['info']['image']['width']))
		{
			return $this->data['info']['image']['width'];
		}
		else
		{
			return false;
		}
	}
	
	function get_image_height()
	{
		if (!empty($this->data['info']['image']['height']))
		{
			return $this->data['info']['image']['height'];
		}
		else
		{
			return false;
		}
	}
	
	function get_item_quantity($max = 0)
	{
		if (!empty($this->data['items']))
		{
			$qty = sizeof($this->data['items']);
		}
		else
		{
			$qty = 0;
		}
		if ($max == 0)
		{
			return $qty;
		}
		else
		{
			return ($qty > $max) ? $max : $qty;
		}
	}
	
	function get_item($key)
	{
		if (!empty($this->data['items'][$key]))
		{
			return $this->data['items'][$key];
		}
		else
		{
			return false;
		}
	}
	
	function get_items($start = 0, $end = 0)
	{
		if ($end == 0)
		{
			return array_slice($this->data['items'], $start);
		}
		else
		{
			return array_slice($this->data['items'], $start, $end);
		}
	}
}

class SimplePie_Item
{
	var $data;
	
	function SimplePie_Item($data)
	{
		$this->data =& $data;
	}
	
	function get_id()
	{
		if (!empty($this->data['guid']['data']))
		{
			return $this->data['guid']['data'];
		}
		else if (!empty($this->data['id']))
		{
			return $this->data['id'];
		}
		else
		{
			return false;
		}
	}
	
	function get_title()
	{
		if (!empty($this->data['title']))
		{
			return $this->data['title'];
		}
		else if (!empty($this->data['dc:title']))
		{
			return $this->data['dc:title'];
		}
		else
		{
			return false;
		}
	}
	
	function get_description()
	{
		if (!empty($this->data['content']))
		{
			return $this->data['content'];
		}
		else if (!empty($this->data['encoded']))
		{
			return $this->data['encoded'];
		}
		else if (!empty($this->data['summary']))
		{
			return $this->data['summary'];
		}
		else if (!empty($this->data['description']))
		{
			return $this->data['description'];
		}
		else if (!empty($this->data['dc:description']))
		{
			return $this->data['dc:description'];
		}
		else if (!empty($this->data['longdesc']))
		{
			return $this->data['longdesc'];
		}
		else
		{
			return false;
		}
	}
	
	function get_category($key = null)
	{
		if (is_null($key))
		{
			return $this->get_categories();
		}
		else
		{
			$categories = $this->get_categories();
			if (!empty($categories[$key]))
			{
				return $categories[$key];
			}
			else
			{
				return false;
			}
		}
	}
	
	function get_categories()
	{
		$categories = array();
		if (!empty($this->data['category']))
		{
			$categories = array_merge($categories, $this->data['category']);
		}
		if (!empty($this->data['subject']))
		{
			$categories = array_merge($categories, $this->data['subject']);
		}
		if (!empty($categories))
		{
			return array_unique($categories);
		}
		else
		{
			return false;
		}
	}
	
	function get_author($key)
	{
		$authors = $this->get_authors();
		if (!empty($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return false;
		}
	}
	
	function get_authors()
	{
		$authors = array();
		if (!empty($this->data['author']))
		{
			$authors = array_merge($authors, $this->data['author']);
		}
		if (!empty($this->data['creator']))
		{
			$authors = array_merge($authors, $this->data['creator']);
		}
		if (!empty($authors))
		{
			return array_unique($authors);
		}
		else
		{
			return false;
		}
	}
	
	function get_date($date_format = 'j F Y, g:i a')
	{
		if (!empty($this->data['pubdate']))
		{
			return date($date_format, $this->data['pubdate']);
		}
		else if (!empty($this->data['dc:date']))
		{
			return date($date_format, $this->data['dc:date']);
		}
		else if (!empty($this->data['issued']))
		{
			return date($date_format, $this->data['issued']);
		}
		else if (!empty($this->data['published']))
		{
			return date($date_format, $this->data['published']);
		}
		else if (!empty($this->data['modified']))
		{
			return date($date_format, $this->data['modified']);
		}
		else if (!empty($this->data['updated']))
		{
			return date($date_format, $this->data['updated']);
		}
		else
		{
			return false;
		}
	}
	
	function get_permalink()
	{
		$link = $this->get_link(0);
		$enclosure = $this->get_enclosure(0);
		if (!empty($link))
		{
			return $link;
		}
		else if (!empty($enclosure))
		{
			return $enclosure->get_link();
		}
		else
		{
			return false;
		}
	}
	
	function get_link($key, $rel = 'alternate')
	{
		$links = $this->get_links($rel);
		if (!empty($links[$key]))
		{
			return $links[$key];
		}
		else
		{
			return false;
		}
	}
	
	function get_links($rel = 'alternate')
	{
		if (!empty($this->data['link'][$rel]))
		{
			return $this->data['link'][$rel];
		}
		else
		{
			return false;
		}
	}
	
	function get_enclosure($key)
	{
		$enclosures = $this->get_enclosures();
		if (!empty($enclosures[$key]))
		{
			return $enclosures[$key];
		}
		else
		{
			return false;
		}
	}
	
	function get_enclosures()
	{
		$enclosures = array();
		$links = $this->get_links('enclosure');
		if (!empty($this->data['enclosures']))
		{
			$enclosures = array_merge($enclosures, $this->data['enclosures']);
		}
		if (!empty($links))
		{
			$enclosures = array_merge($enclosures, $links);
		}
		if (!empty($enclosures))
		{
			return array_unique($enclosures);
		}
		else
		{
			return false;
		}
	}
	
	function add_to_blinklist()
	{
		if ($this->get_permalink())
		{
			$url = 'http://www.blinklist.com/index.php?Action=Blink/addblink.php&amp;Description=&amp;Url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;Title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_blogmarks()
	{
		if ($this->get_permalink())
		{
			$url = 'http://blogmarks.net/my/new.php?mini=1&amp;simple=1&amp;url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_delicious()
	{
		if ($this->get_permalink())
		{
			$url = 'http://del.icio.us/post/?v=3&amp;url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_digg()
	{
		if ($this->get_permalink())
		{
			return 'http://digg.com/submit?phase=2&amp;URL=' . rawurlencode($this->get_permalink());
		}
		else
		{
			return false;
		}
	}
	
	function add_to_furl()
	{
		if ($this->get_permalink())
		{
			$url = 'http://www.furl.net/storeIt.jsp?u=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;t=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_magnolia()
	{
		if ($this->get_permalink())
		{
			$url = 'http://ma.gnolia.com/bookmarklet/add?url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_myweb20()
	{
		if ($this->get_permalink())
		{
			$url = 'http://myweb2.search.yahoo.com/myresults/bookmarklet?u=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;t=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_newsvine()
	{
		if ($this->get_permalink())
		{
			$url = 'http://www.newsvine.com/_wine/save?u=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;h=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_reddit()
	{
		if ($this->get_permalink())
		{
			$url = 'http://reddit.com/submit?url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_segnalo()
	{
		if ($this->get_permalink())
		{
			$url = 'http://segnalo.com/post.html.php?url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_simpy()
	{
		if ($this->get_permalink())
		{
			$url = 'http://www.simpy.com/simpy/LinkAdd.do?href=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_smarking()
	{
		if ($this->get_permalink())
		{
			return 'http://smarking.com/editbookmark/?url=' . rawurlencode($this->get_permalink());
		}
		else
		{
			return false;
		}
	}
	
	function add_to_spurl()
	{
		if ($this->get_permalink())
		{
			$url = 'http://www.spurl.net/spurl.php?v=3&amp;url=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function add_to_wists()
	{
		if ($this->get_permalink())
		{
			$url = 'http://wists.com/r.php?c=&amp;r=' . rawurlencode($this->get_permalink());
			if ($this->get_title())
			{
				$url .= '&amp;title=' . rawurlencode($this->get_title());
			}
			return $url;
		}
		else
		{
			return false;
		}
	}
	
	function search_technorati()
	{
		if ($this->get_permalink())
		{
			return 'http://www.technorati.com/search/' . rawurlencode($this->get_permalink());
		}
		else
		{
			return false;
		}
	}
}

class SimplePie_Author
{
	var $name;
	var $link;
	var $email;
	
	// Constructor, used to input the data
	function SimplePie_Author($name, $link, $email) {
		$this->name = $name;
		$this->link = $link;
		$this->email = $email;
	}
	
	function get_name() {
		return (empty($this->name)) ? false : $this->name;
	}
	
	function get_link() {
		return (empty($this->link)) ? false : $this->link;
	}
	
	function get_email() {
		return (empty($this->email)) ? false : $this->email;
	}
}

class SimplePie_Enclosure
{
	var $link;
	var $type;
	var $length;

	// Constructor, used to input the data
	function SimplePie_Enclosure($link, $type, $length) {
		$this->link = $link;
		$this->type = $type;
		$this->length = $length;
	}

	function get_link() {
		return (empty($this->link)) ? false : $this->link;
	}

	function get_extension() {
		if (!empty($this->link)) {
			return pathinfo($this->link, PATHINFO_EXTENSION);
		} else {
			return false;
		}
	}

	function get_type() {
		return (empty($this->type)) ? false : $this->type;
	}

	function get_length() {
		return (empty($this->length)) ? false : $this->length;
	}

	function get_size() {
		return (empty($this->length)) ? false : round(($this->length/1048576), 2);
	}

	function embed($options) {

		// Set up defaults
		$audio='';
		$video='';
		$alt='';
		$altclass='';
		$loop='false';
		$width='auto';
		$height='auto';
		$bgcolor='#ffffff';
		$embed='';

		// Process options and reassign values as necessary
		$options = explode(',', $options);
		foreach($options as $option) {
			$opt = explode(':', trim($option));
			if ($opt[0] == 'audio') $audio=$opt[1];
			else if ($opt[0] == 'video') $video=$opt[1];
			else if ($opt[0] == 'alt') $alt=$opt[1];
			else if ($opt[0] == 'altclass') $altclass=$opt[1];
			else if ($opt[0] == 'loop') $loop=$opt[1];
			else if ($opt[0] == 'width') $width=$opt[1];
			else if ($opt[0] == 'height') $height=$opt[1];
			else if ($opt[0] == 'bgcolor') $bgcolor=$opt[1];
		}

		// Process values for 'auto'
		if ($width == 'auto') {
			if (stristr($this->type, 'audio/')) $width='100%';
			else if (stristr($this->type, 'video/')) $width='320';
			else $width='100%';
		}
		if ($height == 'auto') {
			if (stristr($this->type, 'audio/')) $height=0;
			else if (stristr($this->type, 'video/')) $height=240;
			else $height=256;
		}

		// Set proper placeholder value
		if (stristr($this->type, 'audio/')) $placeholder=$audio;
		else if (stristr($this->type, 'video/')) $placeholder=$video;

		// Make sure the JS library is included
		// (I know it'll be included multiple times, but I can't think of a better way to do this automatically)
		$embed.='<script type="text/javascript" src="?js"></script>';

		// Odeo Feed MP3's
		if (substr(strtolower($this->link), 0, 15) == 'http://odeo.com') {
			$embed.='<script type="text/javascript">embed_odeo("'.$this->link.'");</script>';
		}

		// QuickTime 7 file types.  Need to test with QuickTime 6.
		else if ($this->type == 'audio/3gpp' || $this->type == 'audio/3gpp2' || $this->type == 'audio/aac' || $this->type == 'audio/x-aac' || $this->type == 'audio/aiff' || $this->type == 'audio/x-aiff' || $this->type == 'audio/mid' || $this->type == 'audio/midi' || $this->type == 'audio/x-midi' || $this->type == 'audio/mpeg' || $this->type == 'audio/x-mpeg' || $this->type == 'audio/mp3' || $this->type == 'x-audio/mp3' || $this->type == 'audio/mp4' || $this->type == 'audio/m4a' || $this->type == 'audio/x-m4a' || $this->type == 'audio/wav' || $this->type == 'audio/x-wav' || $this->type == 'video/3gpp' || $this->type == 'video/3gpp2' || $this->type == 'video/m4v' || $this->type == 'video/x-m4v' || $this->type == 'video/mp4' || $this->type == 'video/mpeg' || $this->type == 'video/x-mpeg' || $this->type == 'video/quicktime' || $this->type == 'video/sd-video') {
			$height+=16;
			$embed.='<script type="text/javascript">embed_quicktime("'.$this->type.'", "'.$bgcolor.'", "'.$width.'", "'.$height.'", "'.$this->link.'", "'.$placeholder.'", "'.$loop.'");</script>';
		}

		// Flash
		else if ($this->type == 'application/x-shockwave-flash' || $this->type == 'application/futuresplash') {
			$embed.='<script type="text/javascript">embed_flash("'.$bgcolor.'", "'.$width.'", "'.$height.'", "'.$this->link.'", "'.$loop.'", "'.$this->type.'");</script>';
		}

		// Windows Media
		else if ($this->type == 'application/asx' || $this->type == 'application/x-mplayer2' || $this->type == 'audio/x-ms-wma' || $this->type == 'audio/x-ms-wax' || $this->type == 'video/x-ms-asf-plugin' || $this->type == 'video/x-ms-asf' || $this->type == 'video/x-ms-wm' || $this->type == 'video/x-ms-wmv' || $this->type == 'video/x-ms-wvx') {
			$height+=45;
			$embed.='<script type="text/javascript">embed_wmedia("'.$width.'", "'.$height.'", "'.$this->link.'");</script>';
		}

		// Everything else
		else $embed.='<a href="' . $this->link . '" class="' . $altclass . '">' . $alt . '</a>';

		return $embed;
	}
}

class SimplePie_File
{
	var $url;
	var $useragent;
	var $success = true;
	var $headers = array();
	var $body;
	var $fp;
	var $redirects = 0;
	
	function SimplePie_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null)
	{
		if (class_exists('idna_convert'))
		{
			$idn = new idna_convert;
			$url = $idn->encode($url);
		}
		$this->url = $url;
		$this->useragent = $useragent;
		if (preg_match('/^http(s)?:\/\//i', $url))
		{
			if (empty($useragent))
			{
				$useragent = ini_get('user_agent');
				$this->useragent = $useragent;
			}
			if (!is_array($headers))
			{
				$headers = array();
			}
			if (extension_loaded('curl'))
			{
				$headers2 = array();
				foreach ($headers as $key => $value)
				{
					$headers2[] = "$key: $value";
				}
				$fp = curl_init();
				curl_setopt($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_REFERER, $url);
				curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
				curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
				curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
				curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
				$this->headers = trim(curl_exec($fp));
				if (curl_errno($fp))
				{
					$this->success = false;
					return false;
				}
				else
				{
					$info = curl_getinfo($fp);
					$this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 2);
					$this->body = array_pop($this->headers);
					$this->headers = array_pop($this->headers);
					$this->headers = $this->parse_headers($this->headers);
				}
			}
			else
			{
				$url_parts = parse_url($url);
				if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) == 'https')
				{
					$url_parts['host'] = "ssl://$url_parts[host]";
					$url_parts['port'] = 443;
				}
				if (!isset($url_parts['port']))
				{
					$url_parts['port'] = 80;
				}
				$this->fp = fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout);
				if (!$this->fp)
				{
					$this->success = false;
					return false;
				}
				else
				{
					stream_set_timeout($this->fp, $timeout);
					$get = (isset($url_parts['query'])) ? "$url_parts[path]?$url_parts[query]" : $url_parts['path'];
					$out = "GET $get HTTP/1.0\r\n";
					$out .= "Host: $url_parts[host]\r\n";
					$out .= "User-Agent: $useragent\r\n";
					if (!empty($url_parts['user']) && !empty($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";
					}
					$out .= "Connection: Close\r\n\r\n";
					fwrite($this->fp, $out);
					
					$info = stream_get_meta_data($this->fp);
					$data = '';
					while (strpos($data, "\r\n\r\n") === false && $info['timed_out'] === false)
					{
						$data .= fgets($this->fp, 128);
						$info = stream_get_meta_data($this->fp);
					}
					if ($info['timed_out'] === false)
					{
						$this->headers = $this->parse_headers($data);
						if (($this->headers['status']['code'] == 301 || $this->headers['status']['code'] == 302 || $this->headers['status']['code'] == 303 || $this->headers['status']['code'] == 307) && !empty($this->headers['location']) && $this->redirects < $redirects)
						{
							$this->redirects++;
							return $this->__construct($this->headers['location'], $timeout, $redirects, $headers, $useragent);
						}
					}
					else
					{
						$this->close();
						$this->success = false;
						return false;
					}
				}
			}
			return $this->headers['status']['code'];
		}
		else
		{
			if ($this->fp = fopen($url, 'r'))
			{
				return true;
			}
			else
			{
				$this->success = false;
				return false;
			}
		}
	}
	
	function headers()
	{
		return $this->headers;
	}
	
	function body()
	{
		if (is_null($this->body))
		{
			if ($this->fp)
			{
				$this->body = '';
				while (!feof($this->fp))
				{
					$this->body .= fread($this->fp, 1024);
				}
				$this->body = trim($this->body);
				$this->close();
			}
			else
			{
				return false;
			}
		}
		return $this->body;
	}
	
	function close()
	{
		if (!is_null($this->fp))
		{
			if (fclose($this->fp))
			{
				$this->fp = null;
				return true;
			}
			else
			{
				return false;
			}
		}
		else
		{
			return false;
		}
	}
	
	function parse_headers($headers)
	{
		$headers = explode("\r\n", trim($headers));
		$status = array_shift($headers);
		foreach ($headers as $header)
		{
			$data = explode(':', $header, 2);
			$head[strtolower(trim($data[0]))] = trim($data[1]);
		}
		if (preg_match('/HTTP\/[0-9\.]+ ([0-9]+)(.*)$/i', $status, $matches))
		{
			if (isset($head['status']))
			{
				unset($head['status']);
			}
			$head['status']['code'] = $matches[1];
			$head['status']['name'] = trim($matches[2]);
		}
		return $head;
	}
}

class SimplePie_Cache
{
	var $location;
	var $filename;
	var $extension;
	var $name;
	
	function SimplePie_Cache($location, $filename, $extension)
	{
		$this->location = $location;
		$this->filename = rawurlencode($filename);
		$this->extension = rawurlencode($extension);
		$this->name = "$location/$this->filename.$this->extension";
	}
	
	function save($data)
	{
		if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
		{
			$fp = fopen($this->name, 'w');
			if ($fp)
			{
				fwrite($fp, serialize($data));
				fclose($fp);
				return true;
			}
		}
		return false;
	}
	
	function load()
	{
		if (file_exists($this->name) && is_readable($this->name))
		{
			return unserialize(file_get_contents($this->name));
		}
		return false;
	}
	
	function atime()
	{
		if (file_exists($this->name))
		{
			return fileatime($this->name);
		}
		return false;
	}
	
	function ctime()
	{
		if (file_exists($this->name))
		{
			return filectime($this->name);
		}
		return false;
	}
	
	function mtime()
	{
		if (file_exists($this->name))
		{
			return filemtime($this->name);
		}
		return false;
	}
	
	function touch()
	{
		if (file_exists($this->name))
		{
			return touch($this->name);
		}
		return false;
	}
	
	function unlink()
	{
		if (file_exists($this->name))
		{
			return unlink($this->name);
		}
		return false;
	}
	
	function clear($expire)
	{
		foreach (glob("$this->location/*.$this->extension") as $file)
		{
			if (time() - filemtime($file) > $expire)
			{
				unlink($file);
			}
		}
	}
}

class SimplePie_Misc
{
	function absolutize_url($href, $location)
	{
		$href_parts = @parse_url($href);
		if (!empty($href_parts['scheme']))
		{
			return $href;
		}
		else
		{
			if (isset($location['host']))
			{
				$full_url = $location['scheme'] . '://' . $location['host'];
			}
			else
			{
				$full_url = '';
			}
			if (isset($location['port']))
			{
				$full_url .= ':' . $location['port'];
			}
			if (!empty($href_parts['path']))
			{
				if (substr($href_parts['path'], 0, 1) == '/')
				{
					$full_url .= $href_parts['path'];
				}
				else if (!empty($location['path']))
				{
					$full_url .= dirname($location['path'] . 'a') . '/' . $href_parts['path'];
				}
				else
				{
					$full_url .= $href_parts['path'];
				}
			}
			else if (!empty($location['path']))
			{
				$full_url .= $location['path'];
			}
			else
			{
				$full_url .= '/';
			}
			if (!empty($href_parts['query']))
			{
				$full_url .= '?' . $href_parts['query'];
			}
			else if (!empty($location['query']))
			{
				$full_url .= '?' . $location['query'];
			}
			if (!empty($href_parts['fragment']))
			{
				$full_url .= '#' . $href_parts['fragment'];
			}
			else if (!empty($location['fragment']))
			{
				$full_url .= '#' . $location['fragment'];
			}
			return $full_url;
		}
	}
	
	function get_element($realname, $string)
	{
		$return = array();
		$name = preg_quote($realname, '/');
		preg_match_all("/<($name)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'|(.*)))*)\s*(\/>|>(.*)<\/$name>)/msiU", $string, $matches, PREG_SET_ORDER);
		for ($i = 0; $i < count($matches); $i++)
		{
			$return[$i]['tag'] = $realname;
			$return[$i]['full'] = $matches[$i][0];
			if (strlen($matches[$i][10]) == 2)
			{
				$return[$i]['self_closing'] = true;
			}
			else
			{
				$return[$i]['self_closing'] = false;
				$return[$i]['content'] = $matches[$i][11];
			}
			$return[$i]['attribs'] = array();
			if (!empty($matches[$i][2]))
			{
				preg_match_all('/\s((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(\S+))\s/msiU', " $matches[$i][2] ", $attribs, PREG_SET_ORDER);
				for ($j = 0; $j < count($attribs);  $j++)
				{
					$return[$i]['attribs'][strtoupper($attribs[$j][1])]['data'] = $attribs[$j][count($attribs[$j])-1];
					$first = substr($attribs[$j][2], 0, 1);
					$return[$i]['attribs'][strtoupper($attribs[$j][1])]['split'] = ($first == '"' || $first == "'") ? $first : '"';
				}
			}
		}
		return $return;
	}
	
	function element_implode($element)
	{
		$full = "<$element[tag]";
		foreach ($element['attribs'] as $key => $value)
		{
			$key = strtolower($key);
			$full .= " $key=$value[split]$value[data]$value[split]";
		}
		if ($element['self_closing'])
		{
			$full .= ' />';
		}
		else
		{
			$full .= ">$element[content]</$element[tag]>";
		}
		return $full;
	}
	
	function error($message, $level, $file, $line)
	{
		switch ($level)
		{
			case E_USER_ERROR:
				$note = 'PHP Error';
				break;
			case E_USER_WARNING:
				$note = 'PHP Warning';
				break;
			case E_USER_NOTICE:
				$note = 'PHP Notice';
				break;
			default:
				$note = 'Unknown Error';
				break;
		}
		error_log("$note: $message in $file on line $line", 0);
		return $message;
	}
	
	function display_file($url, $timeout = 10, $useragent = null)
	{
		$file = new SimplePie_File($url, $timeout, 5, null, $useragent);
		$headers = $file->headers();
		if ($file->body() !== false)
		{
			header('Content-type: ' . $headers['content-type']);
			echo $file->body();
			exit;
		}
	}
	
	/****************************************************
	FIX PROTOCOL
	Convert feed:// and no-protocol URL's to http://
	Feed is allowed to have no protocol.  Local files are toggled in init().
	This is an internal function and is not intended to be used publically.

	$http=1, http://www.domain.com/feed.xml (absolute)
	$http=2, feed://www.domain.com/feed.xml (absolute)
	$http=3, podcast://www.domain.com/feed.xml (absolute)
	****************************************************/
	function fix_protocol($url, $http = 1)
	{
		$url = preg_replace('/^http:\/\/photocast.mac.com/i', 'http://web.mac.com', $url);
		$url = preg_replace('/^(p(od)?cast|feed)[:]?[\/]*(http(s)?:\/\/)?/i', 'http://', $url);
		//$url = preg_replace('/^(.*)(s)?:\/\//i', 'http\\2://', $url);

		if ($http != 1 && strstr($url, 'http://'))
		{
			if ($http == 2)
			{
				$url = substr_replace($url, 'feed', 0, 4);
			}
			else if ($http == 3)
			{
				$url = substr_replace($url, 'podcast', 0, 4);
			}
		}
		return $url;
	}
	
	function encoding($encoding)
	{
		$return['use_mbstring'] = false;
		$return['use_iconv'] = false;
		switch (strtolower($encoding))
		{

			// 7bit
			case '7bit':
			case '7-bit':
				$return['encoding'] = '7bit';
				$return['use_mbstring'] = true;
				break;

			// 8bit
			case '8bit':
			case '8-bit':
				$return['encoding'] = '8bit';
				$return['use_mbstring'] = true;
				break;

			// ARMSCII-8
			case 'armscii-8':
			case 'armscii':
				$return['encoding'] = 'ARMSCII-8';
				$return['use_iconv'] = true;
				break;

			// ASCII
			case 'us-ascii':
			case 'ascii':
				$return['encoding'] = 'US-ASCII';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// BASE64
			case 'base64':
			case 'base-64':
				$return['encoding'] = 'BASE64';
				$return['use_mbstring'] = true;
				break;

			// Big5 - Traditional Chinese, mainly used in Taiwan
			case 'big5':
			case '950':
				$return['encoding'] = 'BIG5';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// Big5 with Hong Kong extensions, Traditional Chinese
			case 'big5-hkscs':
				$return['encoding'] = 'BIG5-HKSCS';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// byte2be
			case 'byte2be':
				$return['encoding'] = 'byte2be';
				$return['use_mbstring'] = true;
				break;

			// byte2le
			case 'byte2le':
				$return['encoding'] = 'byte2le';
				$return['use_mbstring'] = true;
				break;

			// byte4be
			case 'byte4be':
				$return['encoding'] = 'byte4be';
				$return['use_mbstring'] = true;
				break;

			// byte4le
			case 'byte4le':
				$return['encoding'] = 'byte4le';
				$return['use_mbstring'] = true;
				break;

			// EUC-CN
			case 'euc-cn':
			case 'euccn':
				$return['encoding'] = 'EUC-CN';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// EUC-JISX0213
			case 'euc-jisx0213':
			case 'eucjisx0213':
				$return['encoding'] = 'EUC-JISX0213';
				$return['use_iconv'] = true;
				break;

			// EUC-JP
			case 'euc-jp':
			case 'eucjp':
				$return['encoding'] = 'EUC-JP';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// EUCJP-win
			case 'euc-jp-win':
			case 'eucjp-win':
			case 'eucjpwin':
				$return['encoding'] = 'EUCJP-win';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// EUC-KR
			case 'euc-kr':
			case 'euckr':
				$return['encoding'] = 'EUC-KR';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// EUC-TW
			case 'euc-tw':
			case 'euctw':
				$return['encoding'] = 'EUC-TW';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// GB18030 - Simplified Chinese, national standard character set
			case 'gb18030-2000':
			case 'gb18030':
				$return['encoding'] = 'GB18030';
				$return['use_iconv'] = true;
				break;

			// GB2312 - Simplified Chinese, national standard character set
			case 'gb2312':
			case '936':
				$return['encoding'] = 'GB2312';
				$return['use_mbstring'] = true;
				break;

			// GBK
			case 'gbk':
				$return['encoding'] = 'GBK';
				$return['use_iconv'] = true;
				break;

			// Georgian-Academy
			case 'georgian-academy':
				$return['encoding'] = 'Georgian-Academy';
				$return['use_iconv'] = true;
				break;

			// Georgian-PS
			case 'georgian-ps':
				$return['encoding'] = 'Georgian-PS';
				$return['use_iconv'] = true;
				break;

			// HTML-ENTITIES
			case 'html-entities':
			case 'htmlentities':
				$return['encoding'] = 'HTML-ENTITIES';
				$return['use_mbstring'] = true;
				break;

			// HZ
			case 'hz':
				$return['encoding'] = 'HZ';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-2022-CN
			case 'iso-2022-cn':
			case 'iso2022-cn':
			case 'iso2022cn':
				$return['encoding'] = 'ISO-2022-CN';
				$return['use_iconv'] = true;
				break;

			// ISO-2022-CN-EXT
			case 'iso-2022-cn-ext':
			case 'iso2022-cn-ext':
			case 'iso2022cn-ext':
			case 'iso2022cnext':
				$return['encoding'] = 'ISO-2022-CN';
				$return['use_iconv'] = true;
				break;

			// ISO-2022-JP
			case 'iso-2022-jp':
			case 'iso2022-jp':
			case 'iso2022jp':
				$return['encoding'] = 'ISO-2022-JP';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-2022-JP-1
			case 'iso-2022-jp-1':
			case 'iso2022-jp-1':
			case 'iso2022jp-1':
			case 'iso2022jp1':
				$return['encoding'] = 'ISO-2022-JP-1';
				$return['use_iconv'] = true;
				break;

			// ISO-2022-JP-2
			case 'iso-2022-jp-2':
			case 'iso2022-jp-2':
			case 'iso2022jp-2':
			case 'iso2022jp2':
				$return['encoding'] = 'ISO-2022-JP-2';
				$return['use_iconv'] = true;
				break;

			// ISO-2022-JP-3
			case 'iso-2022-jp-3':
			case 'iso2022-jp-3':
			case 'iso2022jp-3':
			case 'iso2022jp3':
				$return['encoding'] = 'ISO-2022-JP-3';
				$return['use_iconv'] = true;
				break;

			// ISO-2022-KR
			case 'iso-2022-kr':
			case 'iso2022-kr':
			case 'iso2022kr':
				$return['encoding'] = 'ISO-2022-KR';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-1
			case 'iso-8859-1':
			case 'iso8859-1':
				$return['encoding'] = 'ISO-8859-1';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-2
			case 'iso-8859-2':
			case 'iso8859-2':
				$return['encoding'] = 'ISO-8859-2';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-3
			case 'iso-8859-3':
			case 'iso8859-3':
				$return['encoding'] = 'ISO-8859-3';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-4
			case 'iso-8859-4':
			case 'iso8859-4':
				$return['encoding'] = 'ISO-8859-4';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-5
			case 'iso-8859-5':
			case 'iso8859-5':
				$return['encoding'] = 'ISO-8859-5';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-6
			case 'iso-8859-6':
			case 'iso8859-6':
				$return['encoding'] = 'ISO-8859-6';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-7
			case 'iso-8859-7':
			case 'iso8859-7':
				$return['encoding'] = 'ISO-8859-7';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-8
			case 'iso-8859-8':
			case 'iso8859-8':
				$return['encoding'] = 'ISO-8859-8';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-9
			case 'iso-8859-9':
			case 'iso8859-9':
				$return['encoding'] = 'ISO-8859-9';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-10
			case 'iso-8859-10':
			case 'iso8859-10':
				$return['encoding'] = 'ISO-8859-10';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// mbstring/iconv functions don't appear to support 11 & 12

			// ISO-8859-13
			case 'iso-8859-13':
			case 'iso8859-13':
				$return['encoding'] = 'ISO-8859-13';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-14
			case 'iso-8859-14':
			case 'iso8859-14':
				$return['encoding'] = 'ISO-8859-14';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-15
			case 'iso-8859-15':
			case 'iso8859-15':
				$return['encoding'] = 'ISO-8859-15';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// ISO-8859-16
			case 'iso-8859-16':
			case 'iso8859-16':
				$return['encoding'] = 'ISO-8859-16';
				$return['use_iconv'] = true;
				break;

			// JIS
			case 'jis':
				$return['encoding'] = 'JIS';
				$return['use_mbstring'] = true;
				break;

			// JOHAB - Korean
			case 'johab':
				$return['encoding'] = 'JOHAB';
				$return['use_iconv'] = true;
				break;

			// Russian
			case 'koi8-r':
			case 'koi8r':
				$return['encoding'] = 'KOI8-R';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// Turkish
			case 'koi8-t':
			case 'koi8t':
				$return['encoding'] = 'KOI8-T';
				$return['use_iconv'] = true;
				break;

			// Ukrainian
			case 'koi8-u':
			case 'koi8u':
				$return['encoding'] = 'KOI8-U';
				$return['use_iconv'] = true;
				break;

			// Russian+Ukrainian
			case 'koi8-ru':
			case 'koi8ru':
				$return['encoding'] = 'KOI8-RU';
				$return['use_iconv'] = true;
				break;

			// Macintosh (Mac OS Classic)
			case 'macintosh':
				$return['encoding'] = 'Macintosh';
				$return['use_iconv'] = true;
				break;

			// MacArabic (Mac OS Classic)
			case 'macarabic':
				$return['encoding'] = 'MacArabic';
				$return['use_iconv'] = true;
				break;

			// MacCentralEurope (Mac OS Classic)
			case 'maccentraleurope':
				$return['encoding'] = 'MacCentralEurope';
				$return['use_iconv'] = true;
				break;

			// MacCroatian (Mac OS Classic)
			case 'maccroatian':
				$return['encoding'] = 'MacCroatian';
				$return['use_iconv'] = true;
				break;

			// MacCyrillic (Mac OS Classic)
			case 'maccyrillic':
				$return['encoding'] = 'MacCyrillic';
				$return['use_iconv'] = true;
				break;

			// MacGreek (Mac OS Classic)
			case 'macgreek':
				$return['encoding'] = 'MacGreek';
				$return['use_iconv'] = true;
				break;

			// MacHebrew (Mac OS Classic)
			case 'machebrew':
				$return['encoding'] = 'MacHebrew';
				$return['use_iconv'] = true;
				break;

			// MacIceland (Mac OS Classic)
			case 'maciceland':
				$return['encoding'] = 'MacIceland';
				$return['use_iconv'] = true;
				break;

			// MacRoman (Mac OS Classic)
			case 'macroman':
				$return['encoding'] = 'MacRoman';
				$return['use_iconv'] = true;
				break;

			// MacRomania (Mac OS Classic)
			case 'macromania':
				$return['encoding'] = 'MacRomania';
				$return['use_iconv'] = true;
				break;

			// MacThai (Mac OS Classic)
			case 'macthai':
				$return['encoding'] = 'MacThai';
				$return['use_iconv'] = true;
				break;

			// MacTurkish (Mac OS Classic)
			case 'macturkish':
				$return['encoding'] = 'MacTurkish';
				$return['use_iconv'] = true;
				break;

			// MacUkraine (Mac OS Classic)
			case 'macukraine':
				$return['encoding'] = 'MacUkraine';
				$return['use_iconv'] = true;
				break;

			// MuleLao-1
			case 'mulelao-1':
			case 'mulelao1':
				$return['encoding'] = 'MuleLao-1';
				$return['use_iconv'] = true;
				break;

			// Shift_JIS
			case 'shift_jis':
			case 'sjis':
			case '932':
				$return['encoding'] = 'Shift_JIS';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// Shift_JISX0213
			case 'shift-jisx0213':
			case 'shiftjisx0213':
				$return['encoding'] = 'Shift_JISX0213';
				$return['use_iconv'] = true;
				break;

			// SJIS-win
			case 'sjis-win':
			case 'sjiswin':
			case 'shift_jis-win':
				$return['encoding'] = 'SJIS-win';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// TCVN - Vietnamese
			case 'tcvn':
				$return['encoding'] = 'TCVN';
				$return['use_iconv'] = true;
				break;

			// TDS565 - Turkish
			case 'tds565':
				$return['encoding'] = 'TDS565';
				$return['use_iconv'] = true;
				break;

			// TIS-620 Thai
			case 'tis-620':
			case 'tis620':
				$return['encoding'] = 'TIS-620';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-2
			case 'ucs-2':
			case 'ucs2':
			case 'utf-16':
			case 'utf16':
				$return['encoding'] = 'UCS-2';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-2BE
			case 'ucs-2be':
			case 'ucs2be':
			case 'utf-16be':
			case 'utf16be':
				$return['encoding'] = 'UCS-2BE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-2LE
			case 'ucs-2le':
			case 'ucs2le':
			case 'utf-16le':
			case 'utf16le':
				$return['encoding'] = 'UCS-2LE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-2-INTERNAL
			case 'ucs-2-internal':
			case 'ucs2internal':
				$return['encoding'] = 'UCS-2-INTERNAL';
				$return['use_iconv'] = true;
				break;

			// UCS-4
			case 'ucs-4':
			case 'ucs4':
			case 'utf-32':
			case 'utf32':
				$return['encoding'] = 'UCS-4';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-4BE
			case 'ucs-4be':
			case 'ucs4be':
			case 'utf-32be':
			case 'utf32be':
				$return['encoding'] = 'UCS-4BE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-4LE
			case 'ucs-4le':
			case 'ucs4le':
			case 'utf-32le':
			case 'utf32le':
				$return['encoding'] = 'UCS-4LE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-4-INTERNAL
			case 'ucs-4-internal':
			case 'ucs4internal':
				$return['encoding'] = 'UCS-4-INTERNAL';
				$return['use_iconv'] = true;
				break;

			// UCS-16
			case 'ucs-16':
			case 'ucs16':
				$return['encoding'] = 'UCS-16';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-16BE
			case 'ucs-16be':
			case 'ucs16be':
				$return['encoding'] = 'UCS-16BE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-16LE
			case 'ucs-16le':
			case 'ucs16le':
				$return['encoding'] = 'UCS-16LE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-32
			case 'ucs-32':
			case 'ucs32':
				$return['encoding'] = 'UCS-32';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-32BE
			case 'ucs-32be':
			case 'ucs32be':
				$return['encoding'] = 'UCS-32BE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UCS-32LE
			case 'ucs-32le':
			case 'ucs32le':
				$return['encoding'] = 'UCS-32LE';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UTF-7
			case 'utf-7':
			case 'utf7':
				$return['encoding'] = 'UTF-7';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// UTF7-IMAP
			case 'utf-7-imap':
			case 'utf7-imap':
			case 'utf7imap':
				$return['encoding'] = 'UTF7-IMAP';
				$return['use_mbstring'] = true;
				break;

			// VISCII - Vietnamese ASCII
			case 'viscii':
				$return['encoding'] = 'VISCII';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Central & Eastern Europe
			case 'cp1250':
			case 'windows-1250':
			case 'win-1250':
			case '1250':
				$return['encoding'] = 'Windows-1250';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Cyrillic
			case 'cp1251':
			case 'windows-1251':
			case 'win-1251':
			case '1251':
				$return['encoding'] = 'Windows-1251';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// Windows-specific Western Europe
			case 'cp1252':
			case 'windows-1252':
			case '1252':
				$return['encoding'] = 'Windows-1252';
				$return['use_iconv'] = true;
				$return['use_mbstring'] = true;
				break;

			// Windows-specific Greek
			case 'cp1253':
			case 'windows-1253':
			case '1253':
				$return['encoding'] = 'Windows-1253';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Turkish
			case 'cp1254':
			case 'windows-1254':
			case '1254':
				$return['encoding'] = 'Windows-1254';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Hebrew
			case 'cp1255':
			case 'windows-1255':
			case '1255':
				$return['encoding'] = 'Windows-1255';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Arabic
			case 'cp1256':
			case 'windows-1256':
			case '1256':
				$return['encoding'] = 'Windows-1256';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Baltic
			case 'cp1257':
			case 'windows-1257':
			case '1257':
				$return['encoding'] = 'Windows-1257';
				$return['use_iconv'] = true;
				break;

			// Windows-specific Vietnamese
			case 'cp1258':
			case 'windows-1258':
			case '1258':
				$return['encoding'] = 'Windows-1258';
				$return['use_iconv'] = true;
				break;

			// Default to UTF-8
			default:
				$return['encoding'] = 'UTF-8';
				break;
		}
		
		// If mb_list_encodings() exists, use that to set use_mbstring
		if (function_exists('mb_list_encodings'))
		{
			if (in_array($return['encoding'], mb_list_encodings()))
			{
				$return['use_mbstring'] = true;
			}
			else
			{
				$return['use_mbstring'] = false;
			}
		}
		
		// Then, return it.
		return $return;
	}
}

class SimplePie_Locator
{
	var $useragent;
	var $parsed_url;
	var $file;
	var $local;
	var $elsewhere;
	
	function SimplePie_Locator(&$file)
	{
		if (!is_a($file, 'SimplePie_File'))
		{
			$this->file = new SimplePie_File($file);
		}
		else
		{
			$this->file =& $file;
		}
	}
		
	
	function find()
	{		
		if ($this->is_feed($this->file))
		{
			return $this->file->url;
		}
		
		$this->useragent = $this->file->useragent;
		
		$this->parsed_url = parse_url($this->file->url);
		if (!isset($this->parsed_url['path']))
		{
			$this->parsed_url['path'] = '/';
		}
		
		$autodiscovery = $this->autodiscovery($this->file);
		if ($autodiscovery)
		{
			return $autodiscovery;
		}
		
		if ($this->get_links($this->file))
		{
			if (!empty($this->local))
			{
				$extension_local = $this->extension($this->local);
				if ($extension_local)
				{
					return $extension_local;
				}
			
				$body_local = $this->body($this->local);
				if ($body_local)
				{
					return $body_local;
				}
			}
			
			if (!empty($this->elsewhere))
			{
				$extension_elsewhere = $this->extension($this->elsewhere);
				if ($extension_elsewhere)
				{
					return $extension_elsewhere;
				}
				
				$body_elsewhere = $this->body($this->elsewhere);
				if ($body_elsewhere)
				{
					return $body_elsewhere;
				}
			}
		}
		return false;
	}
	
	function is_feed(&$file)
	{
		if (!is_a($file, 'SimplePie_File'))
		{
			$file2 = new SimplePie_File($file, 1, 5, null, $this->useragent);
			$file2->body();
			$file2->close();
		}
		else
		{
			$file2 =& $file;
		}
		if (((stristr($file2->body(), '<rss') || preg_match('/<([a-z0-9]+\:)?RDF/mi', $file2->body())) && (preg_match('/<([a-z0-9]+\:)?channel/mi', $file2->body()) || preg_match('/<([a-z0-9]+\:)?item/mi', $file2->body()))) || (preg_match('/<([a-z0-9]+\:)?feed/mi', $file2->body()) && (preg_match('/<([a-z0-9]+\:)?author/mi', $file2->body()) || preg_match('/<([a-z0-9]+\:)?entry/mi', $file2->body()))))
		{
			return true;
		}
		return false;
	}
	
	function autodiscovery(&$file)
	{
		$links = SimplePie_Misc::get_element('link', $file->body());
		$done = array();
		foreach ($links as $link)
		{
			if (!empty($link['attribs']['TYPE']['data']) && !empty($link['attribs']['HREF']['data']))
			{
				$type = strtolower(trim($link['attribs']['TYPE']['data']));
				$href = SimplePie_Misc::absolutize_url(trim($link['attribs']['HREF']['data']), $this->parsed_url);
				if (!in_array($href, $done) && in_array($type, array('application/rss+xml', 'application/atom+xml', 'application/rdf+xml', 'application/xml+rss', 'application/xml+atom', 'application/xml+rdf', 'application/xml', 'application/x.atom+xml', 'text/xml')))
				{
					$feed = $this->is_feed($href);
					if ($feed)
					{
						return $href;
					}
				}
				$done[] = $href;
			}
		}
		return false;
	}
	
	function get_links(&$file)
	{
		$links = SimplePie_Misc::get_element('a', $file->body());
		foreach ($links as $link)
		{
			if (!empty($link['attribs']['HREF']['data']))
			{
				$href = trim($link['attribs']['HREF']['data']);
				$parsed = @parse_url($href);
				if (empty($parsed['scheme']) || $parsed['scheme'] != 'javascript')
				{
					if (empty($parsed['host']) || $parsed['host'] == $this->parsed_url['host'])
					{
						$this->local[] = SimplePie_Misc::absolutize_url($href, $this->parsed_url);
					}
					else
					{
						$this->elsewhere[] = SimplePie_Misc::absolutize_url($href, $this->parsed_url);
					}
				}
			}
		}
		if (!empty($this->local))
		{
			$this->local = array_unique($this->local);
		}
		if (!empty($this->elsewhere))
		{
			$this->elsewhere = array_unique($this->elsewhere);
		}
		if (!empty($this->local) || !empty($this->elsewhere))
		{
			return true;
		}
		return false;
	}
	
	function extension(&$array)
	{
		foreach ($array as $key => $value)
		{
			$value = SimplePie_Misc::absolutize_url($value, $this->parsed_url);
			if (in_array(strrchr($value, '.'), array('.rss', '.rdf', '.atom', '.xml')))
			{
				if ($this->is_feed($value))
				{
					return $value;
				}
				else
				{
					unset($array[$key]);
				}
			}
		}
		return false;
	}
	
	function body(&$array)
	{
		foreach ($array as $key => $value)
		{
			$value = SimplePie_Misc::absolutize_url($value, $this->parsed_url);
			if (preg_match('/(rss|rdf|atom|xml)/i', $value))
			{
				if ($this->is_feed($value))
				{
					return $value;
				}
				else
				{
					unset($array[$key]);
				}
			}
		}
		return false;
	}
}

class SimplePie_Parser
{	
	var $encoding;
	var $data;
	var $namespaces = array('xml' => 'HTTP://WWW.W3.ORG/XML/1998/NAMESPACE', 'atom' => 'ATOM', 'rss2' => 'RSS', 'rdf' => 'RDF', 'rss1' => 'RSS', 'dc' => 'DC', 'xhtml' => 'XHTML', 'content' => 'CONTENT');
	var $xml;
	var $error_code;
	var $error_string;
	var $current_line;
	var $current_column;
	var $current_byte;
	var $tag_name;
	var $inside_item;
	var $item_number = 0;
	var $inside_channel;
	var $author_number= 0;
	var $category_number = 0;
	var $enclosure_number = 0;
	var $link_number = 0;
	var $item_link_number = 0;
	var $inside_image;
	var $attribs;
	var $is_first;
	var $inside_author;
	
		
	function SimplePie_Parser($data, $encoding, $return_xml = false)
	{
		$this->encoding = $encoding;
		
		// Strip BOM:
		// UTF-32 Big Endian BOM
		if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0)
		{
			$data = substr($data, 4);
		}
		// UTF-32 Little Endian BOM
		else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0)
		{
			$data = substr($data, 4);
		}
		// UTF-16 Big Endian BOM
		else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0)
		{
			$data = substr($data, 2);
		}
		// UTF-16 Little Endian BOM
		else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0)
		{
			$data = substr($data, 2);
		}
		// UTF-8 BOM
		else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0)
		{
			$data = substr($data, 3);
		}
		
		// Make sure the XML prolog is sane and has the correct encoding
		if (preg_match('/^<\?xml(.*)?>/msiU', $data, $prolog))
		{
			$data = substr_replace($data, '', 0, strlen($prolog[0]));
		}
		$data = "<?xml version='1.0' encoding='$encoding'?>\n" . $data;
		
		// Add an internal attribute to CDATA sections
		$data = preg_replace_callback('/<(\S+)((\s*((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'))*)\s*(\/>|>\s*<\!\[CDATA\[(.*)<\/\\1>)/msiU', array(&$this, 'spencoded'), $data);
		
		// Put some data into CDATA blocks
		// If we're RSS
		if ((stristr($data, '<rss') || preg_match('/<([a-z0-9]+\:)?RDF/mi', $data)) && (preg_match('/<([a-z0-9]+\:)?channel/mi', $data) || preg_match('/<([a-z0-9]+\:)?item/mi', $data)))
		{
			$sp_elements = array(
				'author',
				'description',
				'link',
				'title',
			);
		}
		// Or if we're Atom
		else
		{
			$sp_elements = array(
				'content',
				'copyright',
				'name',
				'subtitle',
				'summary',
				'tagline',
				'title',
			);
		}
		foreach ($sp_elements as $full)
		{
			$data = preg_replace_callback("/<($full)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'))*)\s*(\/>|>(.*)<\/$full>)/msiU", array(&$this, 'add_cdata'), $data);
		}
		foreach ($sp_elements as $full)
		{
			// Deal with CDATA within CDATA (this can be caused by us inserting CDATA above)
			$data = preg_replace_callback("/<($full)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'))*)\s*(\/>|><!\[CDATA\[(.*)\]\]><\/$full>)/msiU", array(&$this, 'cdata_in_cdata'), $data);
		}
		
		// Return the XML, if so desired
		if ($return_xml)
		{
			$this->data =& $data;
			return;
		}
		
		// Create the parser
		$this->xml = xml_parser_create_ns($encoding);
		xml_parser_set_option($this->xml, XML_OPTION_SKIP_WHITE, 1);
		xml_set_object($this->xml, $this);
		xml_set_character_data_handler($this->xml, 'data_handler');
		xml_set_element_handler($this->xml, 'start_handler', 'end_handler');
		xml_set_start_namespace_decl_handler($this->xml, 'start_name_space');
		xml_set_end_namespace_decl_handler($this->xml, 'end_name_space');
		
		// Parse!
		if (!xml_parse($this->xml, $data))
		{
			$this->data = null;
			$this->error_code = xml_get_error_code($this->xml);
			$this->error_string = xml_error_string($this->error_code);
		}
		$this->current_line = xml_get_current_line_number($this->xml);
		$this->current_column = xml_get_current_column_number($this->xml);
		$this->current_byte = xml_get_current_byte_index($this->xml);
		xml_parser_free($this->xml);
		return;
	}
	
	function add_cdata($match)
	{
		if (isset($match[10]))
		{
			$match[10] = preg_replace('/^\s*<\!\[CDATA\[/msiU', '', $match[10]);
			$match[10] = preg_replace('/]]>\s*$/msiU', '', $match[10]);
			return "<$match[1]$match[2]><![CDATA[$match[10]]]></$match[1]>";
		}
		return $match[0];
	}
	
	function spencoded($match)
	{
		if (isset($match[10]))
		{
			return "<$match[1]$match[2] spencoded=\"false\"><![CDATA[$match[10]</$match[1]>";
		}
		return $match[0];
	}

	function cdata_in_cdata($match)
	{
		if (isset($match[10]))
		{
			$match[10] = preg_replace_callback('/<!\[CDATA\[(.*)\]\]>/msiU', array(&$this, 'real_cdata_in_cdata'), $match[10]);
			return "<$match[1]$match[2]><![CDATA[$match[10]]]></$match[1]>";
		}
		return $match[0];
	}
	
	function real_cdata_in_cdata($match)
	{
		return htmlentities($match[1], ENT_NOQUOTES, $this->encoding);
	}
	
	function do_add_content(&$array, $data)
	{
		if ($this->is_first)
		{
			$array['data'] = $data;
			$array['attribs'] = $this->attribs;
		}
		else
		{
			$array['data'] .= $data;
		}
	}
	
	function start_handler($parser, $name, $attribs)
	{
		$this->tag_name = $name;
		$this->attribs = $attribs;
		$this->is_first = true;
		switch ($this->tag_name)
		{
			case 'ITEM':
			case $this->namespaces['rss2'] . ':ITEM':
			case $this->namespaces['rss1'] . ':ITEM':
			case 'ENTRY':
			case $this->namespaces['atom'] . ':ENTRY':
				$this->inside_item = true;
				$this->do_add_content($this->data['items'][$this->item_number], '');
				break;

			case 'CHANNEL':
			case $this->namespaces['rss2'] . ':CHANNEL':
			case $this->namespaces['rss1'] . ':CHANNEL':
				$this->inside_channel = true;
				break;

			case 'RSS':
			case $this->namespaces['rss2'] . ':RSS':
				$this->data['feedinfo']['type'] = 'RSS';
				$this->do_add_content($this->data['feeddata'], '');
				if (!empty($attribs['VERSION']))
				{
					$this->data['feedinfo']['version'] = trim($attribs['VERSION']);
				}
				break;

			case $this->namespaces['rdf'] . ':RDF':
				$this->data['feedinfo']['type'] = 'RSS';
				$this->do_add_content($this->data['feeddata'], '');
				$this->data['feedinfo']['version'] = 1;
				break;

			case 'FEED':
			case $this->namespaces['atom'] . ':FEED':
				$this->data['feedinfo']['type'] = 'Atom';
				$this->do_add_content($this->data['feeddata'], '');
				if (!empty($attribs['VERSION']))
				{
					$this->data['feedinfo']['version'] = trim($attribs['VERSION']);
				}
				break;

			case 'IMAGE':
			case $this->namespaces['rss2'] . ':IMAGE':
			case $this->namespaces['rss1'] . ':IMAGE':
				if ($this->inside_channel)
				{
					$this->inside_image = true;
				}
				break;
		}

		if (!empty($this->data['feedinfo']['type']) && $this->data['feedinfo']['type'] == 'Atom' && ($this->tag_name == 'AUTHOR' || $this->tag_name == $this->namespaces['atom'] . ':AUTHOR'))
		{
			$this->inside_author = true;
		}
		$this->data_handler($this->xml, '');
	}

	function data_handler($parser, $data)
	{
		if ($this->inside_item)
		{
			switch ($this->tag_name)
			{
				case 'TITLE':
				case $this->namespaces['rss1'] . ':TITLE':
				case $this->namespaces['rss2'] . ':TITLE':
				case $this->namespaces['atom'] . ':TITLE':
					$this->do_add_content($this->data['items'][$this->item_number]['title'], $data);
					break;
					
				case $this->namespaces['dc'] . ':TITLE':
					$this->do_add_content($this->data['items'][$this->item_number]['dc:title'], $data);
					break;

				case 'CONTENT':
				case $this->namespaces['atom'] . ':CONTENT':
					$this->do_add_content($this->data['items'][$this->item_number]['content'], $data);
					break;

				case $this->namespaces['content'] . ':ENCODED':
					$this->do_add_content($this->data['items'][$this->item_number]['encoded'], $data);
					break;

				case 'SUMMARY':
				case $this->namespaces['atom'] . ':SUMMARY':
					$this->do_add_content($this->data['items'][$this->item_number]['summary'], $data);
					break;

				case 'LONGDESC':
					$this->do_add_content($this->data['items'][$this->item_number]['longdesc'], $data);
					break;

				case 'DESCRIPTION':
				case $this->namespaces['rss1'] . ':DESCRIPTION':
				case $this->namespaces['rss2'] . ':DESCRIPTION':
					$this->do_add_content($this->data['items'][$this->item_number]['description'], $data);
					break;

				case $this->namespaces['dc'] . ':DESCRIPTION':
					$this->do_add_content($this->data['items'][$this->item_number]['dc:description'], $data);
					break;

				case 'LINK':
				case $this->namespaces['rss1'] . ':LINK':
				case $this->namespaces['rss2'] . ':LINK':
				case $this->namespaces['atom'] . ':LINK':
					$this->do_add_content($this->data['items'][$this->item_number]['link'][$this->item_link_number], $data);
					break;
					
				case 'ENCLOSURE':
				case $this->namespaces['rss1'] . ':ENCLOSURE':
				case $this->namespaces['rss2'] . ':ENCLOSURE':
				case $this->namespaces['atom'] . ':ENCLOSURE':
					$this->do_add_content($this->data['items'][$this->item_number]['enclosure'][$this->enclosure_number], $data);
					break;

				case 'GUID':
				case $this->namespaces['rss1'] . ':GUID':
				case $this->namespaces['rss2'] . ':GUID':
					$this->do_add_content($this->data['items'][$this->item_number]['guid'], $data);
					break;

				case 'ID':
				case $this->namespaces['atom'] . ':ID':
					$this->do_add_content($this->data['items'][$this->item_number]['id'], $data);
					break;

				case 'PUBDATE':
				case $this->namespaces['rss1'] . ':PUBDATE':
				case $this->namespaces['rss2'] . ':PUBDATE':
					$this->do_add_content($this->data['items'][$this->item_number]['pubdate'], $data);
					break;

				case $this->namespaces['dc'] . ':DATE':
					$this->do_add_content($this->data['items'][$this->item_number]['dc:date'], $data);
					break;

				case 'ISSUED':
				case $this->namespaces['atom'] . ':ISSUED':
					$this->do_add_content($this->data['items'][$this->item_number]['issued'], $data);
					break;

				case 'PUBLISHED':
				case $this->namespaces['atom'] . ':PUBLISHED':
					$this->do_add_content($this->data['items'][$this->item_number]['published'], $data);
					break;

				case 'MODIFIED':
				case $this->namespaces['atom'] . ':MODIFIED':
					$this->do_add_content($this->data['items'][$this->item_number]['modified'], $data);
					break;

				case 'UPDATED':
				case $this->namespaces['atom'] . ':UPDATED':
					$this->do_add_content($this->data['items'][$this->item_number]['updated'], $data);
					break;
	
				case 'CATEGORY':
				case $this->namespaces['rss1'] . ':CATEGORY':
				case $this->namespaces['rss2'] . ':CATEGORY':
				case $this->namespaces['atom'] . ':CATEGORY':
					$this->do_add_content($this->data['items'][$this->item_number]['category'][$this->category_number], $data);
					break;

				case $this->namespaces['dc'] . ':SUBJECT':
					$this->do_add_content($this->data['items'][$this->item_number]['subject'][$this->category_number], $data);
					break;

				case $this->namespaces['dc'] . ':CREATOR':
					$this->do_add_content($this->data['items'][$this->item_number]['creator'][$this->author_number], $data);
					break;

				case 'AUTHOR':
				case $this->namespaces['rss1'] . ':AUTHOR':
				case $this->namespaces['rss2'] . ':AUTHOR':
					$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['rss'], $data);
					break;
			}

			if ($this->inside_author)
			{
				switch ($this->tag_name)
				{
					case 'NAME':
					case $this->namespaces['atom'] . ':NAME':
						$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['name'], $data);
						break;

					case 'URL':
					case $this->namespaces['atom'] . ':URL':
						$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['url'], $data);
						break;

					case 'URI':
					case $this->namespaces['atom'] . ':URI':
						$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['uri'], $data);
						break;

					case 'HOMEPAGE':
					case $this->namespaces['atom'] . ':HOMEPAGE':
						$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['homepage'], $data);
						break;

					case 'EMAIL':
					case $this->namespaces['atom'] . ':EMAIL':
						$this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['email'], $data);
						break;
				}
			}
		}

		else if (($this->inside_channel && !$this->inside_image) || (isset($this->data['feedinfo']['type']) && $this->data['feedinfo']['type'] == 'Atom'))
		{
			switch ($this->tag_name)
			{
				case 'TITLE':
				case $this->namespaces['rss1'] . ':TITLE':
				case $this->namespaces['rss2'] . ':TITLE':
				case $this->namespaces['atom'] . ':TITLE':
					$this->do_add_content($this->data['info']['title'], $data);
					break;

				case 'LINK':
				case $this->namespaces['rss1'] . ':LINK':
				case $this->namespaces['rss2'] . ':LINK':
				case $this->namespaces['atom'] . ':LINK':
					$this->do_add_content($this->data['info']['link'][$this->link_number], $data);
					break;

				case 'DESCRIPTION':
				case $this->namespaces['rss1'] . ':DESCRIPTION':
				case $this->namespaces['rss2'] . ':DESCRIPTION':
					$this->do_add_content($this->data['info']['description'], $data);
					break;

				case $this->namespaces['dc'] . ':DESCRIPTION':
					$this->do_add_content($this->data['info']['dc:description'], $data);
					break;

				case 'TAGLINE':
				case $this->namespaces['atom'] . ':TAGLINE':
					$this->do_add_content($this->data['info']['tagline'], $data);
					break;

				case 'SUBTITLE':
				case $this->namespaces['atom'] . ':SUBTITLE':
					$this->do_add_content($this->data['info']['subtitle'], $data);
					break;

				case 'COPYRIGHT':
				case $this->namespaces['rss1'] . ':COPYRIGHT':
				case $this->namespaces['rss2'] . ':COPYRIGHT':
				case $this->namespaces['atom'] . ':COPYRIGHT':
					$this->do_add_content($this->data['info']['copyright'], $data);
					break;

				case 'LANGUAGE':
				case $this->namespaces['rss1'] . ':LANGUAGE':
				case $this->namespaces['rss2'] . ':LANGUAGE':
					$this->do_add_content($this->data['info']['language'], $data);
					break;
				
				case 'LOGO':
				case $this->namespaces['atom'] . ':LOGO':
					$this->do_add_content($this->data['info']['logo'], $data);
					break;
				
			}
		}

		else if ($this->inside_channel && $this->inside_image)
		{
			switch ($this->tag_name)
			{
				case 'TITLE':
				case $this->namespaces['rss1'] . ':TITLE':
				case $this->namespaces['rss2'] . ':TITLE':
					$this->do_add_content($this->data['info']['image']['title'], $data);
					break;

				case 'URL':
				case $this->namespaces['rss1'] . ':URL':
				case $this->namespaces['rss2'] . ':URL':
					$this->do_add_content($this->data['info']['image']['url'], $data);
					break;

				case 'LINK':
				case $this->namespaces['rss1'] . ':LINK':
				case $this->namespaces['rss2'] . ':LINK':
					$this->do_add_content($this->data['info']['image']['link'], $data);
					break;

				case 'WIDTH':
				case $this->namespaces['rss1'] . ':WIDTH':
				case $this->namespaces['rss2'] . ':WIDTH':
					$this->do_add_content($this->data['info']['image']['width'], $data);
					break;

				case 'HEIGHT':
				case $this->namespaces['rss1'] . ':HEIGHT':
				case $this->namespaces['rss2'] . ':HEIGHT':
					$this->do_add_content($this->data['info']['image']['height'], $data);
					break;
			}
		}
		$this->is_first = false;
	}

	function end_handler($parser, $name)
	{
		$this->tag_name = '';
		switch ($name)
		{
			case 'ITEM':
			case $this->namespaces['rss1'] . ':ITEM':
			case $this->namespaces['rss2'] . ':ITEM':
			case 'ENTRY':
			case $this->namespaces['atom'] . ':ENTRY':
				$this->inside_item = false;
				$this->item_number++;
				$this->author_number = 0;
				$this->category_number = 0;
				$this->enclosure_number = 0;
				$this->item_link_number = 0;
				break;

			case 'CHANNEL':
			case $this->namespaces['rss1'] . ':CHANNEL':
			case $this->namespaces['rss2'] . ':CHANNEL':
				$this->inside_channel = false;
				break;

			case 'IMAGE':
			case $this->namespaces['rss1'] . ':IMAGE':
			case $this->namespaces['rss2'] . ':IMAGE':
				$this->inside_image = false;
				break;

			case 'AUTHOR':
			case $this->namespaces['rss1'] . ':AUTHOR':
			case $this->namespaces['rss2'] . ':AUTHOR':
			case $this->namespaces['atom'] . ':AUTHOR':
				$this->author_number++;
				$this->inside_author = false;
				break;

			case 'CATEGORY':
			case $this->namespaces['rss1'] . ':CATEGORY':
			case $this->namespaces['rss2'] . ':CATEGORY':
			case $this->namespaces['atom'] . ':CATEGORY':
			case $this->namespaces['dc'] . ':SUBJECT':
				$this->category_number++;
				break;
			
			case 'ENCLOSURE':
			case $this->namespaces['rss1'] . ':ENCLOSURE':
			case $this->namespaces['rss2'] . ':ENCLOSURE':
				$this->enclosure_number++;
				break;
				
			case 'LINK':
			case $this->namespaces['rss1'] . ':LINK':
			case $this->namespaces['rss2'] . ':LINK':
			case $this->namespaces['atom'] . ':LINK':
				if ($this->inside_item)
				{
					$this->item_link_number++;
				}
				else
				{
					$this->link_number++;
				}
				break;
		}
	}
	
	function start_name_space($parser, $prefix, $uri = null)
	{
		$prefix = strtoupper($prefix);
		$uri = strtoupper($uri);
		if ($prefix == 'ATOM' || $uri == 'HTTP://WWW.W3.ORG/2005/ATOM' || $uri == 'HTTP://PURL.ORG/ATOM/NS#')
		{
			$this->namespaces['atom'] = $uri;
		}
		else if ($prefix == 'RSS2' || $uri == 'HTTP://BACKEND.USERLAND.COM/RSS2')
		{
			$this->namespaces['rss2'] = $uri;
		}
		else if ($prefix == 'RDF' || $uri == 'HTTP://WWW.W3.ORG/1999/02/22-RDF-SYNTAX-NS#')
		{
			$this->namespaces['rdf'] = $uri;
		}
		else if ($prefix == 'RSS' || $uri == 'HTTP://PURL.ORG/RSS/1.0/' || $uri == 'HTTP://MY.NETSCAPE.COM/RDF/SIMPLE/0.9/')
		{
			$this->namespaces['rss1'] = $uri;
		}
		else if ($prefix == 'DC' || $uri == 'HTTP://PURL.ORG/DC/ELEMENTS/1.1/')
		{
			$this->namespaces['dc'] = $uri;
		}
		else if ($prefix == 'XHTML' || $uri == 'HTTP://WWW.W3.ORG/1999/XHTML')
		{
			$this->namespaces['xhtml'] = $uri;
			$this->xhtml_prefix = $prefix;
		}
		else if ($prefix == 'CONTENT' || $uri == 'HTTP://PURL.ORG/RSS/1.0/MODULES/CONTENT/')
		{
			$this->namespaces['content'] = $uri;
		}
	}
	
	function end_name_space($parser, $prefix)
	{
		if ($key = array_search(strtoupper($prefix), $this->namespaces))
		{
			if ($key == 'atom')
			{
				$this->namespaces['atom'] = 'ATOM';
			}
			else if ($key == 'rss2')
			{
				$this->namespaces['rss2'] = 'RSS';
			}
			else if ($key == 'rdf')
			{
				$this->namespaces['rdf'] = 'RDF';
			}
			else if ($key == 'rss1')
			{
				$this->namespaces['rss1'] = 'RSS';
			}
			else if ($key == 'dc')
			{
				$this->namespaces['dc'] = 'DC';
			}
			else if ($key == 'xhtml')
			{
				$this->namespaces['xhtml'] = 'XHTML';
				$this->xhtml_prefix = 'XHTML';
			}
			else if ($key == 'content')
			{
				$this->namespaces['content'] = 'CONTENT';
			}
		}
	}
}

class SimplePie_Sanitize
{
	// Private vars
	var $feedinfo;
	var $info;
	var $items;
	var $feed_xmlbase;
	var $item_xmlbase;
	var $attribs;
	
	// Options
	var $remove_div = true;
	var $strip_ads = true;
	var $replace_headers = false;
	var $bypass_image_hotlink = 'i';
	var $bypass_image_hotlink_page = false;
	var $strip_htmltags = array('blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
	var $encode_instead_of_strip = false;
	var $strip_attributes = array('class', 'id', 'style', 'onclick', 'onmouseover', 'onmouseout', 'onfocus', 'onblur');
	
	function remove_div($enable = true)
	{
		$this->remove_div = (bool) $enable;
	}
	
	function strip_ads($enable = true)
	{
		$this->strip_ads = (bool) $enable;
	}
	
	function replace_headers($enable = false)
	{
		$this->enable_headers = (bool) $enable;
	}
	
	function bypass_image_hotlink($get = 'i')
	{
		if ($get)
		{
			$this->bypass_image_hotlink = (string) $get;
		}
		else
		{
			$this->bypass_image_hotlink = false;
		}
	}
	
	function bypass_image_hotlink_page($page = false)
	{
		if ($page)
		{
			$this->bypass_image_hotlink_page = (string) $page;
		}
		else
		{
			$this->bypass_image_hotlink_page = false;
		}
	}
	
	function strip_htmltags($tags = array('blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'))
	{
		if ($tags)
		{
			if (is_array($tags))
			{
				$this->strip_htmltags = $tags;
			}
			else
			{
				$this->strip_htmltags = explode(',', $tags);
			}
		}
		else
		{
			$this->strip_htmltags = false;
		}
	}
	
	function encode_instead_of_strip($enable = false)
	{
		$this->encode_instead_of_strip = (bool) $enable;
	}
	
	function strip_attributes($attribs = array('class', 'id', 'style', 'onclick', 'onmouseover', 'onmouseout', 'onfocus', 'onblur'))
	{
		if ($attribs)
		{
			if (is_array($attribs))
			{
				$this->strip_attributes = $attribs;
			}
			else
			{
				$this->strip_attributes = explode(',', $attribs);
			}
		}
		else
		{
			$this->strip_attributes = false;
		}
	}
	
	function parse_data_array(&$data)
	{		
		// Feed Info (Type and Version)
		if (!empty($data['feedinfo']['type']))
		{
			$this->feedinfo = $data['feedinfo'];
		}
		
		// Feed level xml:base
		if (!empty($data['feeddata']['attribs']['XML:BASE']))
		{
			$this->feed_xmlbase = parse_url($data['feeddata']['attribs']['XML:BASE']);
		}
		else if (!empty($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']))
		{
			$this->feed_xmlbase = parse_url($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']);
		}
		
		// Feed link(s)
		if (!empty($data['info']['link']))
		{
			foreach ($data['info']['link'] as $link)
			{
				if (empty($link['attribs']['REL']))
				{
					$rel = 'alternate';
				}
				else
				{
					$rel = strtolower($link['attribs']['REL']);
				}
				if ($rel == 'enclosure')
				{
					$href = null;
					$type = null;
					$length = null;
					if (!empty($link['data']))
					{
						$href = $this->sanitize($link['data'], $link['attribs'], true);
					}
					else if (!empty($link['attribs']['HREF']))
					{
						$href = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true);
					}
					if (!empty($link['attribs']['TYPE'])) {
						$type = $this->sanitize($link['attribs']['TYPE'], $link['attribs']);
					}
					if (!empty($link['attribs']['LENGTH'])) {
						$length = $this->sanitize($link['attribs']['LENGTH'], $link['attribs']);
					}
					$this->info['link']['enclosure'][] = new SimplePie_Enclosure($href, $type, $length);
				}
				else
				{
					if (!empty($link['data']))
					{
						$this->info['link'][$rel][] = $this->sanitize($link['data'], $link['attribs'], true);
					}
					else if (!empty($link['attribs']['HREF']))
					{
						$this->info['link'][$rel][] = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true);
					}
				}
			}
		}
		
		// Use the first alternate link if we don't have any feed xml:base
		if (empty($this->feed_xmlbase) && !empty($this->info['link']['alternate'][0]))
		{
			$this->feed_xmlbase = parse_url($this->info['link']['alternate'][0]);
		}
		
		// Feed Title
		if (!empty($data['info']['title']['data']))
		{
			$this->info['title'] = $this->sanitize($data['info']['title']['data'], $data['info']['title']['attribs']);
		}
		
		// Feed Descriptions
		if (!empty($data['info']['description']['data']))
		{
			$this->info['description'] = $this->sanitize($data['info']['description']['data'], $data['info']['description']['attribs']);
		}
		if (!empty($data['info']['dc:description']['data']))
		{
			$this->info['dc:description'] = $this->sanitize($data['info']['dc:description']['data'], $data['info']['dc:description']['attribs']);
		}
		if (!empty($data['info']['tagline']['data']))
		{
			$this->info['tagline'] = $this->sanitize($data['info']['tagline']['data'], $data['info']['tagline']['attribs']);
		}
		if (!empty($data['info']['subtitle']['data']))
		{
			$this->info['subtitle'] = $this->sanitize($data['info']['subtitle']['data'], $data['info']['subtitle']['attribs']);
		}
		
		// Feed Language
		if (!empty($data['info']['language']['data']))
		{
			$this->info['language'] = $this->sanitize($data['info']['language']['data'], $data['info']['language']['attribs']);
		}
		if (!empty($data['feeddata']['attribs']['XML:LANG']))
		{
			$this->info['xml:lang'] = $this->sanitize($data['feeddata']['attribs']['XML:LANG'], null);
		}
		else if (!empty($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:LANG']))
		{
			$this->info['xml:lang'] = $this->sanitize($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:LANG'], null);
		}
		
		// Feed Copyright
		if (!empty($data['info']['copyright']['data']))
		{
			$this->info['copyright'] = $this->sanitize($data['info']['copyright']['data'], $data['info']['copyright']['attribs']);
		}
		
		// Feed Image
		if (!empty($data['info']['image']['title']['data']))
		{
			$this->info['image']['title'] = $this->sanitize($data['info']['image']['title']['data'], $data['info']['image']['title']['attribs']);
		}
		if (!empty($data['info']['image']['url']['data']))
		{
			$this->info['image']['url'] = $this->sanitize($data['info']['image']['url']['data'], $data['info']['image']['url']['attribs'], true);
		}
		if (!empty($data['info']['logo']['data']))
		{
			$this->info['image']['logo'] = $this->sanitize($data['info']['logo']['data'], $data['info']['logo']['attribs'], true);
		}
		if (!empty($data['info']['image']['link']['data']))
		{
			$this->info['image']['link'] = $this->sanitize($data['info']['image']['link']['data'], $data['info']['image']['link']['attribs'], true);
		}
		if (!empty($data['info']['image']['width']['data']))
		{
			$this->info['image']['width'] = $this->sanitize($data['info']['image']['width']['data'], $data['info']['image']['width']['attribs']);
		}
		if (!empty($data['info']['image']['height']['data']))
		{
			$this->info['image']['height'] = $this->sanitize($data['info']['image']['height']['data'], $data['info']['image']['height']['attribs']);
		}
		
		// Items
		if (!empty($data['items']))
		{
			foreach ($data['items'] as $key => $item)
			{
				$newitem = null;
				
				// Item level xml:base
				if (!empty($item['attribs']['XML:BASE']))
				{
					$this->item_xmlbase = parse_url(SimplePie_Misc::absolutize_url($item['attribs']['XML:BASE'], $this->feed_xmlbase));
				}
				else if (!empty($item['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']))
				{
					$this->item_xmlbase = parse_url(SimplePie_Misc::absolutize_url($item['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'], $this->feed_xmlbase));
				}
				else
				{
					$this->item_xmlbase = null;
				}
	
				// Title
				if (!empty($item['title']['data'])) {
					$newitem['title'] = $this->sanitize($item['title']['data'], $item['title']['attribs']);
				}
				if (!empty($item['dc:title']['data']))
				{
					$newitem['dc:title'] = $this->sanitize($item['dc:title']['data'], $item['dc:title']['attribs']);
				}
				
				// Description
				if (!empty($item['content']['data']))
				{
					$newitem['content'] = $this->sanitize($item['content']['data'], $item['content']['attribs']);
				}
				if (!empty($item['encoded']['data']))
				{
					$newitem['encoded'] = $this->sanitize($item['encoded']['data'], $item['encoded']['attribs']);
				}
				if (!empty($item['summary']['data']))
				{
					$newitem['summary'] = $this->sanitize($item['summary']['data'], $item['summary']['attribs']);
				}
				if (!empty($item['description']['data']))
				{
					$newitem['description'] = $this->sanitize($item['description']['data'], $item['description']['attribs']);
				}
				if (!empty($item['dc:description']['data']))
				{
					$newitem['dc:description'] = $this->sanitize($item['dc:description']['data'], $item['dc:description']['attribs']);
				}
				if (!empty($item['longdesc']['data']))
				{
					$newitem['longdesc'] = $this->sanitize($item['longdesc']['data'], $item['longdesc']['attribs']);
				}
		
				// Link(s)
				if (!empty($item['link']))
				{
					foreach ($item['link'] as $link)
					{
						if (empty($link['attribs']['REL']))
						{
							$rel = 'alternate';
						}
						else
						{
							$rel = strtolower($link['attribs']['REL']);
						}
						if ($rel == 'enclosure')
						{
							$href = null;
							$type = null;
							$length = null;
							if (!empty($link['data']))
							{
								$href = $this->sanitize($link['data'], $link['attribs'], true);
							}
							else if (!empty($link['attribs']['HREF']))
							{
								$href = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true);
							}
							if (!empty($link['attribs']['TYPE'])) {
								$type = $this->sanitize($link['attribs']['TYPE'], $link['attribs']);
							}
							if (!empty($link['attribs']['LENGTH'])) {
								$length = $this->sanitize($link['attribs']['LENGTH'], $link['attribs']);
							}
							if (!empty($href))
							{
								$newitem['link'][$rel][] = new SimplePie_Enclosure($href, $type, $length);
							}
						}
						else
						{
							if (!empty($link['data']))
							{
								$newitem['link'][$rel][] = $this->sanitize($link['data'], $link['attribs'], true);
							}
							else if (!empty($link['attribs']['HREF']))
							{
								$newitem['link'][$rel][] = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true);
							}
						}
					}
				}
				
				// Enclosure(s)
				if (!empty($item['enclosure']))
				{
					foreach ($item['enclosure'] as $enclosure)
					{
						if (!empty($enclosure['attribs']['URL']))
						{
							$type = null;
							$length = null;
							$href = $this->sanitize($enclosure['attribs']['URL'], $enclosure['attribs'], true);
							if (!empty($enclosure['attribs']['TYPE']))
							{
								$type = $this->sanitize($enclosure['attribs']['TYPE'], $enclosure['attribs']);
							}
							if (!empty($enclosure['attribs']['LENGTH']))
							{
								$length = $this->sanitize($enclosure['attribs']['LENGTH'], $enclosure['attribs']);
							}
							$newitem['enclosures'][] = new SimplePie_Enclosure($href, $type, $length);
						}
					}
				}
				
				// ID
				if (!empty($item['guid']['data']))
				{
					if (!empty($item['guid']['attribs']['ISPERMALINK']) && strtolower($item['guid']['attribs']['ISPERMALINK']) == 'false')
					{
						$newitem['guid']['permalink'] = false;
					}
					else
					{
						$newitem['guid']['permalink'] = true;
					}
					$newitem['guid']['data'] = $this->sanitize($item['guid']['data'], $item['guid']['attribs']);
				}
				if (!empty($item['id']['data']))
				{
					$newitem['id'] = $this->sanitize($item['id']['data'], $item['id']['attribs']);
				}
				
				// Date
				if (!empty($item['pubdate']['data']))
				{
					$newitem['pubdate'] = $this->parse_date($this->sanitize($item['pubdate']['data'], $item['pubdate']['attribs']));
				}
				if (!empty($item['dc:date']['data']))
				{
					$newitem['dc:date'] = $this->parse_date($this->sanitize($item['dc:date']['data'], $item['dc:date']['attribs']));
				}
				if (!empty($item['issued']['data']))
				{
					$newitem['issued'] = $this->parse_date($this->sanitize($item['issued']['data'], $item['issued']['attribs']));
				}
				if (!empty($item['published']['data']))
				{
					$newitem['published'] = $this->parse_date($this->sanitize($item['published']['data'], $item['published']['attribs']));
				}
				if (!empty($item['modified']['data']))
				{
					$newitem['modified'] = $this->parse_date($this->sanitize($item['modified']['data'], $item['modified']['attribs']));
				}
				if (!empty($item['updated']['data']))
				{
					$newitem['updated'] = $this->parse_date($this->sanitize($item['updated']['data'], $item['updated']['attribs']));
				}
				
				// Categories
				if (!empty($item['category']))
				{
					foreach ($item['category'] as $category)
					{
						if (!empty($category['data']))
						{
							$newitem['category'][] = $this->sanitize($category['data'], $category['attribs']);
						}
					}
				}
				if (!empty($item['subject']))
				{
					foreach ($item['subject'] as $category)
					{
						if (!empty($category['data']))
						{
							$newitem['subject'][] = $this->sanitize($category['data'], $category['attribs']);
						}
					}
				}
				
				// Author
				if (!empty($item['creator']))
				{
					foreach ($item['creator'] as $creator)
					{
						if (!empty($creator['data']))
						{
							$newitem['creator'][] = new SimplePie_Author($this->sanitize($creator['data'], $creator['attribs']), null, null);
						}
					}
				}
				if (!empty($item['author']))
				{
					foreach ($item['author'] as $author)
					{
						$name = null;
						$link = null;
						$email = null;
						if (!empty($author['rss']))
						{
							$sane = $this->sanitize($author['rss']['data'], $author['rss']['attribs']);
							if (preg_match('/(.*)@(.*) \((.*)\)/msiU', $sane, $matches)) {
								$name = trim($matches[3]);
								$email = trim("$matches[1]@$matches[2]");
							} else {
								$email = $sane;
							}
						}
						else
						{
							if (!empty($author['name']))
							{
								$name = $this->sanitize($author['name']['data'], $author['name']['attribs']);
							}
							if (!empty($author['url']))
							{
								$link = $this->sanitize($author['url']['data'], $author['url']['attribs'], true);
							}
							else if (!empty($author['uri']))
							{
								$link = $this->sanitize($author['uri']['data'], $author['uri']['attribs'], true);
							}
							else if (!empty($author['homepage']))
							{
								$link = $this->sanitize($author['homepage']['data'], $author['homepage']['attribs'], true);
							}
							if (!empty($author['email'])) {
								$email = $this->sanitize($author['email']['data'], $author['email']['attribs']);
							}
						}
						$newitem['author'][] = new SimplePie_Author($name, $link, $email);
					}
				}
				unset($data['items'][$key]);
				$this->items[] = new SimplePie_Item($newitem);
			}
		}
	}
	
	function sanitize($data, $attribs, $is_url = false)
	{
		$this->attribs = $attribs;
		if (isset($this->feedinfo['type']) && $this->feedinfo['type'] == 'Atom')
		{
			if ((!empty($attribs['MODE']) && $attribs['MODE'] == 'base64') || (!empty($attribs['TYPE']) && $attribs['TYPE'] == 'application/octet-stream'))
			{
				$data = trim($data);
				$data = base64_decode($data);
			}
			else if ((!empty($attribs['MODE']) && $attribs['MODE'] == 'escaped' || !empty($attribs['TYPE']) && ($attribs['TYPE'] == 'html' || $attribs['TYPE'] == 'text/html')) && (empty($attribs['SPENCODED']) || $attribs['SPENCODED'] != 'false'))
			{
				$data = $this->entities_decode($data);
			}
			if (!empty($attribs['TYPE']) && ($attribs['TYPE'] == 'xhtml' || $attribs['TYPE'] == 'application/xhtml+xml'))
			{
				if ($this->remove_div)
				{
					$data = preg_replace('/<div( .*)?>/msiU', '', strrev(preg_replace('/>vid\/</i', '', strrev($data), 1)), 1);
				}
				else
				{
					$data = preg_replace('/<div( .*)?>/msiU', '<div>', $data, 1);
				}
			}
		}
		else
		{
			if (empty($attribs['SPENCODED']) || $attribs['SPENCODED'] != 'false')
			{
				$data = $this->entities_decode($data);
			}
		}
		$data = trim($data);
		$data = str_replace(' spencoded="false">', '>', $data);

		// If Strip Ads is enabled, strip them.
		if ($this->strip_ads)
		{
			$data = preg_replace('/<a (.*)href=(.*)click\.phdo\?s=(.*)<\/a>/msiU', '', $data); // Pheedo links (tested with Dooce.com)
			$data = preg_replace('/<p(.*)>(.*)<a href="http:\/\/ad.doubleclick.net\/jump\/(.*)<\/p>/msiU', '', $data); // Doubleclick links (tested with InfoWorld.com)
			$data = preg_replace('/<p><map (.*)name=(.*)google_ad_map(.*)<\/p>/msiU', '', $data); // Google AdSense for Feeds (tested with tuaw.com).
			// Feedflare, from Feedburner
		}

		// Replace H1, H2, and H3 tags with the less important H4 tags.
		// This is because on a site, the more important headers might make sense,
		// but it most likely doesn't fit in the context of RSS-in-a-webpage.
		if ($this->replace_headers)
		{
			$data = preg_replace('/<h[1-3]((\s*((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(.*)))*)\s*>/msiU', '<h4\\1>', $data);
			$data = preg_replace('/<\/h[1-3]>/i', '</h4>', $data);
		}

		if ($is_url)
		{
			$data = $this->replace_urls($data, true);
		}
		else
		{
			$data = preg_replace_callback('/<(\S+)((\s*((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(.*)))*)\s*(\/>|>(.*)<\/\S+>)/msiU', array(&$this, 'replace_urls'), $data);
		}

		// If Bypass Image Hotlink is enabled, rewrite all the image tags.
		if ($this->bypass_image_hotlink)
		{
			$images = SimplePie_Misc::get_element('img', $data);
			foreach ($images as $img)
			{
				if (!empty($img['attribs']['SRC']['data']))
				{
					$pre = '';
					if ($this->bypass_image_hotlink_page)
					{
						$pre = $this->bypass_image_hotlink_page;
					}
					$pre .= "?$this->bypass_image_hotlink=";
					$img['attribs']['SRC']['data'] = $pre . rawurlencode(strtr($img['attribs']['SRC']['data'], array_flip(get_html_translation_table(HTML_SPECIALCHARS, ENT_QUOTES))));
					$data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
				}
			}
		}

		// Strip out HTML tags and attributes that might cause various security problems.
		// Based on recommendations by Mark Pilgrim at:
		// http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely
		if ($this->strip_htmltags)
		{
			foreach ($this->strip_htmltags as $tag)
			{
				$data = preg_replace_callback("/<($tag)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'|(.*)))*)\s*(\/>|>(.*)<\/$tag>)/msiU", array(&$this, 'do_strip_htmltags'), $data);
			}
		}

		if ($this->strip_attributes)
		{
			foreach ($this->strip_attributes as $attrib)
			{
				$data = preg_replace('/ '. trim($attrib) .'=("|&quot;)(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\'|&apos;|<|>|\+|{|})*("|&quot;)/i', '', $data);
				$data = preg_replace('/ '. trim($attrib) .'=(\'|&apos;)(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|"|&quot;|<|>|\+|{|})*(\'|&apos;)/i', '', $data);
				$data = preg_replace('/ '. trim($attrib) .'=(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\+|{|})*/i', '', $data);
			}
		}

		return $data;
	}
	
	function do_strip_htmltags($match)
	{
		if ($this->encode_instead_of_strip)
		{
			if (isset($match[11]))
			{
				return "&lt;$match[1]$match[2]&gt;$match[11]&lt;/$match[1]&gt;";
			}
			else
			{
				return "&lt;$match[1]$match[2]/&gt;";
			}
		}
		else
		{
			if (isset($match[11]))
			{
				return $match[11];
			}
			else
			{
				return '';
			}
		}
	}
	
	function replace_urls($data, $raw_url = false)
	{
		if (!empty($this->attribs['XML:BASE']))
		{
			$xmlbase = $attribs['XML:BASE'];
		}
		else if (!empty($this->attribs['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']))
		{
			$xmlbase = $this->attribs['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'];
		}
		if (!empty($xmlbase))
		{
			if (!empty($this->item_xmlbase))
			{
				$xmlbase = parse_url(SimplePie_Misc::absolutize_url($xmlbase, $this->item_xmlbase));
			}
			else
			{
				$xmlbase = parse_url(SimplePie_Misc::absolutize_url($xmlbase, $this->feed_xmlbase));
			}
		}
		else if (!empty($this->item_xmlbase))
		{
			$xmlbase = $this->item_xmlbase;
		}
		else
		{
			$xmlbase = $this->feed_xmlbase;
		}
		
		if ($raw_url)
		{
			return SimplePie_Misc::absolutize_url($data, $xmlbase);
		}
		else
		{
			$attributes = array(
				'background',
				'href',
				'src',
				'longdesc',
				'usemap',
				'codebase',
				'data',
				'classid',
				'cite',
				'action',
				'profile',
				'for'
			);
			foreach ($attributes as $attribute)
			{
				if (preg_match("/$attribute='(.*)'/siU", $data[0], $attrib) || preg_match("/$attribute=\"(.*)\"/siU", $data[0], $attrib) || preg_match("/$attribute=(.*)[ |\/|>]/siU", $data[0], $attrib))
				{
					$new_tag = str_replace($attrib[1], SimplePie_Misc::absolutize_url($attrib[1], $xmlbase), $attrib[0]);
					$data[0] = str_replace($attrib[0], $new_tag, $data[0]);
				}
			}
			return $data[0];
		}
	}
	
	function entities_decode($data) {
		return preg_replace_callback('/&(#)?(x)?([0-9a-z]+);/mi', array(&$this, 'do_entites_decode'), $data);
	}
	
	function do_entites_decode($data)
	{
		$entity_html = utf8_encode(html_entity_decode($data[0], ENT_QUOTES));
		if ($data[0] == $entity_html) {
			return preg_replace_callback('/&#([0-9a-fx]+);/mi', array(&$this, 'replace_num_entity'), $data[0]);
		} else {
			return $entity_html;
		}
	}

	/*
	 * Escape numeric entities
	 * From a PHP Manual note (on html_entity_decode())
	 * Copyright (c) 2005 by "php dot net at c dash ovidiu dot tk", 
	 * "emilianomartinezluque at yahoo dot com" and "hurricane at cyberworldz dot org".
	 *
	 * This material may be distributed only subject to the terms and conditions set forth in 
	 * the Open Publication License, v1.0 or later (the latest version is presently available at 
	 * http://www.opencontent.org/openpub/).
	 */
	function replace_num_entity($ord) {
		$ord = $ord[1];
		if (preg_match('/^x([0-9a-f]+)$/i', $ord, $match))
			$ord = hexdec($match[1]);
		else
			$ord = intval($ord);
		$no_bytes = 0;
		$byte = array();
		if ($ord < 128)
			return chr($ord);
		if ($ord < 2048)
			$no_bytes = 2;
		else if ($ord < 65536)
			$no_bytes = 3;
		else if ($ord < 1114112)
			$no_bytes = 4;
		else return;
		switch ($no_bytes) {
			case 2:
				$prefix = array(31, 192);
				break;
				
			case 3:
				$prefix = array(15, 224);
				break;
				
			case 4:
			$prefix = array(7, 240);
			break;
		}
		for ($i=0; $i < $no_bytes; ++$i)
			$byte[$no_bytes-$i-1] = (($ord & (63 * pow(2,6*$i))) / pow(2,6*$i)) & 63 | 128;
		$byte[0] = ($byte[0] & $prefix[0]) | $prefix[1];
		$ret = '';
		for ($i=0; $i < $no_bytes; ++$i)
			$ret .= chr($byte[$i]);
		return $ret;
	}
	
	function parse_date($date)
	{
		if (preg_match('/([0-9]{2,4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\.([0-9]{2}))?Z/i', $date, $matches)) 
		{
			if (isset($matches[8]) && $matches[8] >= 50)
			{
				$matches[6]++;
			}
			$date = strtotime("$matches[1]-$matches[2]-$matches[3] $matches[4]:$matches[5]:$matches[6] -0000");
		}
		else if (preg_match('/([0-9]{2,4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(:([0-9]{2}))?(\.([0-9]{2}))?(\+|-)([0-9]{2}):([0-9]{2})/i', $date, $matches))
		{
			if (isset($matches[9]) && $matches[9] >= 50)
			{
				$matches[6]++;
			}
			if (empty($matches[7]))
			{
				$matches[7] = '00';
			}
			$date = strtotime("$matches[1]-$matches[2]-$matches[3] $matches[4]:$matches[5]:$matches[7] $matches[10]$matches[11]$matches[12]");
		}
		else if (preg_match('/([0-9]{1,2})\s*(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s*([0-9]{2}|[0-9]{4})\s*([0-9]{2}):([0-9]{2})(:([0-9]{2}))?\s*(UT|GMT|EST|EDT|CST|CDT|MST|MDT|PST|PDT|[a-z]|(\\+|-)[0-9]{4})/i', $date, $matches))
		{
			$three_month = array('Jan' => 1, 'Feb' => 2, 'Mar' => 3, 'Apr' => 4, 'May' => 5, 'Jun' => 6, 'Jul' => 7, 'Aug' => 8, 'Sep' => 9, 'Oct' => 10, 'Nov' => 11, 'Dec' => 12);
			$military_timezone = array('A' => '-0100', 'B' => '-0200', 'C' => '-0300', 'D' => '-0400', 'E' => '-0500', 'F' => '-0600', 'G' => '-0700', 'H' => '-0800', 'I' => '-0900', 'K' => '-1000', 'L' => '-1100', 'M' => '-1200', 'N' => '+0100', 'O' => '+0200', 'P' => '+0300', 'Q' => '+0400', 'R' => '+0500', 'S' => '+0600', 'T' => '+0700', 'U' => '+0800', 'V' => '+0900', 'W' => '+1000', 'X' => '+1100', 'Y' => '+1200', 'Z' => '-0000');
			$north_american_timezone = array('GMT' => '-0000', 'EST' => '-0500', 'EDT' => '-0400', 'CST' => '-0600', 'CDT' => '-0500', 'MST' => '-0700', 'MDT' => '-0600', 'PST' => '-0800', 'PDT' => '-0700');
			$month = $three_month[$matches[2]];
			if (strlen($matches[3]) == 2)
			{
				$year = ($matches[3] < 70) ? "20$matches[3]" : "19$matches[3]";
			}
			else
			{
				$year = $matches[3];
			}
			$second = (empty($matches[7])) ? '00' : $matches[7];
			switch (strlen($matches[8]))
			{
				case 1:
					$timezone = $military_timezone[strtoupper($matches[8])];
					break;
				
				case 2:
					$timezone = '-0000';
					break;
				
				case 3:
					$timezone = $north_american_timezone[strtoupper($matches[8])];
					break;
				
				default:
					$timezone = $matches[8];
			}
			$date = strtotime("$year-$month-$matches[1] $matches[4]:$matches[5]:$second $timezone");
		}
		else
		{
var_dump('else');
            $tmp_date = $date; // fixed by komagata 
			$date = strtotime($date);
            if ($date == -1) {
                include_once 'Date.php';
                $d =& new Date();
                $d->setDate($tmp_date);
                $date = $d->getDate(DATE_FORMAT_UNIXTIME);
            }
		}
		return ($date > 0) ? $date : false;
	}
}

?>