/lib/simplepie/simplepie_060828.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: 28 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 = '20060828';
	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 $file;
	var $xml_dump = false;
	var $enable_cache = true;
	var $max_minutes = 60;
	var $cache_location = './cache';
	var $order_by_date = true;
	var $input_encoding = false;
	
	// 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 set_file(&$file)
	{
		if (is_a($file, 'SimplePie_File'))
		{
			$this->rss_url = $file->url;
			$this->file =& $file;
		}
	}
	
	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 input_encoding($encoding = false)
	{
		if ($encoding)
		{
			$this->input_encoding = (string) $encoding;
		}
		else
		{
			$this->input_encoding = false;
		}
	}
	
	function bypass_image_hotlink($get = false)
	{
		$this->sanitize->bypass_image_hotlink($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('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur'))
	{
		$this->sanitize->strip_attributes($attribs);
	}
	
	function output_encoding($encoding = 'UTF-8')
	{
		$this->sanitize->output_encoding($encoding);
	}
	
	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;

			if (function_exists('ob_gzhandler'))
			{
				ob_start('ob_gzhandler');
			}
			header('Content-type: text/javascript; charset: UTF-8'); 
			header('Cache-Control: must-revalidate'); 
			header('Expires: ' .  gmdate('D, d M Y H:i:s', time() + 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 (isset($this->data['url']) && $this->data['url'] != $this->rss_url)
					{
						$this->enable_caching(false);
						return $this->init();
					}
					else if (!empty($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))
			{
				if (is_a($this->file, 'SimplePie_File') && $this->file->url == $this->rss_url)
				{
					$file =& $this->file;
				}
				else
				{
					$file = new SimplePie_File($this->rss_url, 10, 5, null, $this->useragent);
				}
			}
			if (!$file->success)
			{
				$this->error = $file->error;
				return false;
			}
			
			if (!SimplePie_Locator::is_feed($file))
			{
				$locate = new SimplePie_Locator($file);
				$feed = $locate->find();
				if ($feed)
				{
					if ($cache && !$cache->save(array('url' => $this->rss_url, '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 check to see if input has been overridden.
			if (!empty($this->input_encoding))
			{
				$encoding = $this->input_encoding;
			}
			// Second try HTTP headers
			else if (!empty($headers['content-type']) && preg_match('/charset\s*=\s*([^;]*)/i', $headers['content-type'], $charset))
			{
				$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))
			{
				$encoding = substr($encoding[1], 1, -1);
			}
			// UTF-32 Big Endian BOM
			else if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0)
			{
				$encoding = 'UTF-32be';
			}
			// UTF-32 Little Endian BOM
			else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0)
			{
				$encoding = 'UTF-32';
			}
			// UTF-16 Big Endian BOM
			else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0)
			{
				$encoding = 'UTF-16be';
			}
			// UTF-16 Little Endian BOM
			else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0)
			{
				$encoding = 'UTF-16le';
			}
			// UTF-8 BOM
			else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0)
			{
				$encoding = 'UTF-8';
			}
			// Fallback to the default
			else
			{
				$encoding = null;
			}
			
			$data = SimplePie_Misc::change_encoding($data, $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, $this->rss_url);
				unset($data);
				$this->data['feedinfo'] = $this->sanitize->feedinfo;
				$this->data['info'] = $this->sanitize->info;
				$this->data['items'] = $this->sanitize->items;
				$this->data['feedinfo']['encoding'] = $this->sanitize->output_encoding;
				unset($this->sanitize);
				$this->data['url'] = $this->rss_url;
				if (!empty($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 get_favicon($check = false, $alternate = false)
	{
		if (!empty($this->data['info']['link']['alternate'][0]))
		{
			$favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $this->data['info']['link']['alternate'][0]);

			if ($check)
			{
				$file = new SimplePie_File($favicon);
				$headers = $file->headers();
				$file->close();

				if ($headers['status']['code'] == 200)
				{
					return $favicon;
				}
			}
			else
			{
				return $favicon;
			}
		}
		if ($alternate)
		{
			return $alternate;
		}
		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($key = 0)
	{
		if (!empty($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 = 0)
	{
		$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 = 0)
	{
		$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 = 0, $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 = 0)
	{
		$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()
	{
		if (!empty($this->name))
		{
			return $this->name;
		}
		else
		{
			return false;
		}
	}
	
	function get_link()
	{
		if (!empty($this->link))
		{
			return $this->link;
		}
		else
		{
			return false;
		}
	}
	
	function get_email()
	{
		if (!empty($this->email))
		{
			return $this->email;
		}
		else
		{
			return false;
		}
	}
}

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()
	{
		if (!empty($this->link))
		{
			return $this->link;
		}
		else
		{
			return false;
		}
	}

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

	function get_type()
	{
		if (!empty($this->type))
		{
			return $this->type;
		}
		else
		{
			return false;
		}
	}

	function get_length()
	{
		if (!empty($this->length))
		{
			return $this->length;
		}
		else
		{
			return false;
		}
	}

	function get_size()
	{
		$length = $this->get_length();
		if (!empty($length))
		{
			return round($length/1048576, 2);
		}
		else
		{
			return false;
		}
	}

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

		// Process options and reassign values as necessary
		if (is_array($options))
		{
			extract($options);
		}
		else
		{
			$options = explode(',', $options);
			foreach($options as $option)
			{
				$opt = explode(':', $option, 2);
				if (isset($opt[0], $opt[1]))
				{
					$opt[0] = trim($opt[0]);
					$opt[1] = trim($opt[1]);
					switch ($opt[0])
					{
						case 'audio':
							$audio = $opt[1];
							break;
						
						case 'video':
							$video = $opt[1];
							break;
						
						case 'alt':
							$alt = $opt[1];
							break;
						
						case 'altclass':
							$altclass = $opt[1];
							break;
						
						case 'loop':
							$loop = $opt[1];
							break;
						
						case 'width':
							$width = $opt[1];
							break;
						
						case 'height':
							$height = $opt[1];
							break;
						
						case 'bgcolor':
							$bgcolor = $opt[1];
							break;
					}
				}
			}
		}
	
		$type = strtolower($this->get_type());

		// If we encounter an unsupported mime-type, check the file extension and guess intelligently.
		if (!in_array($type, array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mpeg', 'audio/x-mpeg', 'audio/mp3', 'x-audio/mp3', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video', 'application/x-shockwave-flash', 'application/futuresplash', 'application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx')))
		{			
			switch (strtolower($this->get_extension()))
			{
				// Audio mime-types
				case 'aac':
				case 'adts':
					$type = 'audio/acc';
					break;
				
				case 'aif':
				case 'aifc':
				case 'aiff':
				case 'cdda':
					$type = 'audio/aiff';
					break;
				
				case 'bwf':
					$type = 'audio/wav';
					break;
				
				case 'kar':
				case 'mid':
				case 'midi':
				case 'smf':
					$type = 'audio/midi';
					break;
				
				case 'm4a':
					$type = 'audio/x-m4a';
					break;
				
				case 'mp3':
				case 'swa':
					$type = 'audio/mp3';
					break;
				
				case 'wav':
					$type = 'audio/wav';
					break;
				
				case 'wax':
					$type = 'audio/x-ms-wax';
					break;
				
				case 'wma':
					$type = 'audio/x-ms-wma';
					break;
				
				// Video mime-types
				case '3gp':
				case '3gpp':
					$type = 'video/3gpp';
					break;

				case '3g2':
				case '3gp2':
					$type = 'video/3gpp2';
					break;

				case 'asf':
					$type = 'video/x-ms-asf';
					break;

				case 'm1a':
				case 'm1s':
				case 'm1v':
				case 'm15':
				case 'm75':
				case 'mp2':
				case 'mpa':
				case 'mpeg':
				case 'mpg':
				case 'mpm':
				case 'mpv':
					$type = 'video/mpeg';
					break;

				case 'm4v':
					$type = 'video/x-m4v';
					break;

				case 'mov':
				case 'qt':
					$type = 'video/quicktime';
					break;

				case 'mp4':
				case 'mpg4':
					$type = 'video/mp4';
					break;

				case 'sdv':
					$type = 'video/sd-video';
					break;

				case 'wm':
					$type = 'video/x-ms-wm';
					break;

				case 'wmv':
					$type = 'video/x-ms-wmv';
					break;

				case 'wvx':
					$type = 'video/x-ms-wvx';
					break;
					
				// Flash mime-types
				case 'spl':
					$type = 'application/futuresplash';
					break;

				case 'swf':
					$type = 'application/x-shockwave-flash';
					break;
			}
		}

		$mime = explode('/', $type, 2);
		$mime = $mime[0];
		
		// Process values for 'auto'
		if ($width == 'auto')
		{
			if ($mime == 'video')
			{
				$width = '320';
			}
			else
			{
				$width = '100%';
			}
		}
		if ($height == 'auto')
		{
			if ($mime == 'audio')
			{
				$height = 0;
			}
			else if ($mime == 'video')
			{
				$height = 240;
			}
			else
			{
				$height = 256;
			}
		}

		// Set proper placeholder value
		if ($mime == 'audio')
		{
			$placeholder = $audio;
		}
		else if ($mime == '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->get_link()), 0, 15) == 'http://odeo.com') {
			$embed .= '<script type="text/javascript">embed_odeo("' . $this->get_link() . '");</script>';
		}

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

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

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

		// Everything else
		else $embed .= '<a href="' . $this->get_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;
	var $error;
	var $method;
	
	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') && version_compare(SimplePie_Misc::get_curl_version(), '7.10', '>='))
			{
				$fp = curl_init();
				$headers2 = array();
				foreach ($headers as $key => $value)
				{
					$headers2[] = "$key: $value";
				}
				curl_setopt($fp, CURLOPT_ENCODING, '');
				curl_setopt($fp, CURLOPT_URL, $url);
				curl_setopt($fp, CURLOPT_HEADER, 1);
				curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
				curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
				curl_setopt($fp, CURLOPT_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))
				{
					$this->error = curl_error($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);
					$this->method = 'curl';
				}
			}
			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->error = $errstr;
					$this->success = false;
					return false;
				}
				else
				{
					$this->method = 'fsockopen';
					stream_set_timeout($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 (extension_loaded('zlib') && function_exists('gzinflate'))
					{
						$out .= "Accept-Encoding: gzip,deflate\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->error = 'Timeout';
						$this->success = false;
						return false;
					}
				}
			}
			return $this->headers['status']['code'];
		}
		else
		{
			if ($this->fp = fopen($url, 'r'))
			{
				$this->method = 'fopen';
				return true;
			}
			else
			{
				$this->error = 'Could not open the file';
				$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);
				if ($this->method == 'fsockopen' && !empty($this->headers['content-encoding']) && $this->headers['content-encoding'] == 'gzip')
				{
					$this->body = substr($this->body, 10);
					$this->body = gzinflate($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($relative, $base)
	{
		$relative = trim($relative);
		$base = trim($base);
		if (!empty($relative))
		{
			$relative = SimplePie_Misc::parse_url($relative, false);
			$relative = array('scheme' => $relative[2], 'authority' => $relative[3], 'path' => $relative[5], 'query' => $relative[7], 'fragment' => $relative[9]);
			if (!empty($relative['scheme']))
			{
				$target = $relative;
			}
			else if (!empty($base))
			{
				$base = SimplePie_Misc::parse_url($base, false);
				$base = array('scheme' => $base[2], 'authority' => $base[3], 'path' => $base[5], 'query' => $base[7], 'fragment' => $base[9]);
				$target['scheme'] = $base['scheme'];
				if (!empty($relative['authority']))
				{
					$target = array_merge($relative, $target);
				}
				else
				{
					$target['authority'] = $base['authority'];
					if (!empty($relative['path']))
					{
						if (strpos($relative['path'], '/') === 0)
						{
							$target['path'] = $relative['path'];
						}
						else
						{
							if (!empty($base['path']))
							{
								$target['path'] = dirname("$base[path].") . '/' . $relative['path'];
							}
							else
							{
								$target['path'] = '/' . $relative['path'];
							}
						}
						if (!empty($relative['query']))
						{
							$target['query'] = $relative['query'];
						}
						$input = $target['path'];
						$target['path'] = '';
						while (!empty($input))
						{
							if (strpos($input, '../') === 0)
							{
								$input = substr($input, 3);
							}
							else if (strpos($input, './') === 0)
							{
								$input = substr($input, 2);
							}
							else if (strpos($input, '/./') === 0)
							{
								$input = substr_replace($input, '/', 0, 3);
							}
							else if (strpos($input, '/.') === 0 && SimplePie_Misc::strendpos($input, '/.') === 0)
							{
								$input = substr_replace($input, '/', -2);
							}
							else if (strpos($input, '/../') === 0)
							{
								$input = substr_replace($input, '/', 0, 4);
								$target['path'] = preg_replace('/(\/)?([^\/]+)$/U', '', $target['path']);
							}
							else if (strpos($input, '/..') === 0 && SimplePie_Misc::strendpos($input, '/..') === 0)
							{
								$input = substr_replace($input, '/', 0, 3);
								$target['path'] = preg_replace('/(\/)?([^\/]+)$/U', '', $target['path']);
							}
							else if ($input == '.' || $input == '..')
							{
								$input = '';
							}
							else
							{
								if (preg_match('/^(.+)(\/|$)/U', $input, $match))
								{
									$target['path'] .= $match[1];
									$input = substr_replace($input, '', 0, strlen($match[1]));
								}
							}
						}
					}
					else
					{
						if (!empty($base['path']))
						{
							$target['path'] = $base['path'];
						}
						else
						{
							$target['path'] = '/';
						}
						if (!empty($relative['query']))
						{
							$target['query'] = $relative['query'];
						}
						else if (!empty($base['query']))
						{
							$target['query'] = $base['query'];
						}
					}
				}
				if (!empty($relative['fragment']))
				{
					$target['fragment'] = $relative['fragment'];
				}
			}
			else
			{
				return false;
			}
			$return = "$target[scheme]:$target[authority]$target[path]";
			if (!empty($target['query']))
			{
				$return .= "?$target[query]";
			}
			if (!empty($target['fragment']))
			{
				$return .= "#$target[fragment]";
			}
		}
		else
		{
			$return = $base;
		}
		return $return;
	}
	
	function strendpos($haystack, $needle)
	{
		return strlen($haystack) - strpos($haystack, $needle) - strlen($needle);
	}
	
	function get_element($realname, $string)
	{
		$return = array();
		$nam…