/lib/simplepie/simplepie_060803.inc

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<?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'] = 'Georgia…