diff -r a4642baaf829 -r 4d4862461b8d web/wp-includes/rss.php
--- a/web/wp-includes/rss.php	Tue Feb 02 14:45:47 2010 +0000
+++ b/web/wp-includes/rss.php	Tue Feb 02 15:44:16 2010 +0000
@@ -1,922 +1,922 @@
-<?php
-/**
- * MagpieRSS: a simple RSS integration tool
- *
- * A compiled file for RSS syndication
- *
- * @author Kellan Elliott-McCrea <kellan@protest.net>
- * @version 0.51
- * @license GPL
- *
- * @package External
- * @subpackage MagpieRSS
- */
-
-/*
- * Hook to use another RSS object instead of MagpieRSS
- */
-do_action('load_feed_engine');
-
-/** RSS feed constant. */
-define('RSS', 'RSS');
-define('ATOM', 'Atom');
-define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
-
-class MagpieRSS {
-	var $parser;
-	var $current_item	= array();	// item currently being parsed
-	var $items			= array();	// collection of parsed items
-	var $channel		= array();	// hash of channel fields
-	var $textinput		= array();
-	var $image			= array();
-	var $feed_type;
-	var $feed_version;
-
-	// parser variables
-	var $stack				= array(); // parser stack
-	var $inchannel			= false;
-	var $initem 			= false;
-	var $incontent			= false; // if in Atom <content mode="xml"> field
-	var $intextinput		= false;
-	var $inimage 			= false;
-	var $current_field		= '';
-	var $current_namespace	= false;
-
-	//var $ERROR = "";
-
-	var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
-
-	function MagpieRSS ($source) {
-
-		# if PHP xml isn't compiled in, die
-		#
-		if ( !function_exists('xml_parser_create') )
-			trigger_error( "Failed to load PHP's XML Extension. http://www.php.net/manual/en/ref.xml.php" );
-
-		$parser = @xml_parser_create();
-
-		if ( !is_resource($parser) )
-			trigger_error( "Failed to create an instance of PHP's XML parser. http://www.php.net/manual/en/ref.xml.php");
-
-
-		$this->parser = $parser;
-
-		# pass in parser, and a reference to this object
-		# setup handlers
-		#
-		xml_set_object( $this->parser, $this );
-		xml_set_element_handler($this->parser,
-				'feed_start_element', 'feed_end_element' );
-
-		xml_set_character_data_handler( $this->parser, 'feed_cdata' );
-
-		$status = xml_parse( $this->parser, $source );
-
-		if (! $status ) {
-			$errorcode = xml_get_error_code( $this->parser );
-			if ( $errorcode != XML_ERROR_NONE ) {
-				$xml_error = xml_error_string( $errorcode );
-				$error_line = xml_get_current_line_number($this->parser);
-				$error_col = xml_get_current_column_number($this->parser);
-				$errormsg = "$xml_error at line $error_line, column $error_col";
-
-				$this->error( $errormsg );
-			}
-		}
-
-		xml_parser_free( $this->parser );
-
-		$this->normalize();
-	}
-
-	function feed_start_element($p, $element, &$attrs) {
-		$el = $element = strtolower($element);
-		$attrs = array_change_key_case($attrs, CASE_LOWER);
-
-		// check for a namespace, and split if found
-		$ns	= false;
-		if ( strpos( $element, ':' ) ) {
-			list($ns, $el) = split( ':', $element, 2);
-		}
-		if ( $ns and $ns != 'rdf' ) {
-			$this->current_namespace = $ns;
-		}
-
-		# if feed type isn't set, then this is first element of feed
-		# identify feed from root element
-		#
-		if (!isset($this->feed_type) ) {
-			if ( $el == 'rdf' ) {
-				$this->feed_type = RSS;
-				$this->feed_version = '1.0';
-			}
-			elseif ( $el == 'rss' ) {
-				$this->feed_type = RSS;
-				$this->feed_version = $attrs['version'];
-			}
-			elseif ( $el == 'feed' ) {
-				$this->feed_type = ATOM;
-				$this->feed_version = $attrs['version'];
-				$this->inchannel = true;
-			}
-			return;
-		}
-
-		if ( $el == 'channel' )
-		{
-			$this->inchannel = true;
-		}
-		elseif ($el == 'item' or $el == 'entry' )
-		{
-			$this->initem = true;
-			if ( isset($attrs['rdf:about']) ) {
-				$this->current_item['about'] = $attrs['rdf:about'];
-			}
-		}
-
-		// if we're in the default namespace of an RSS feed,
-		//  record textinput or image fields
-		elseif (
-			$this->feed_type == RSS and
-			$this->current_namespace == '' and
-			$el == 'textinput' )
-		{
-			$this->intextinput = true;
-		}
-
-		elseif (
-			$this->feed_type == RSS and
-			$this->current_namespace == '' and
-			$el == 'image' )
-		{
-			$this->inimage = true;
-		}
-
-		# handle atom content constructs
-		elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
-		{
-			// avoid clashing w/ RSS mod_content
-			if ($el == 'content' ) {
-				$el = 'atom_content';
-			}
-
-			$this->incontent = $el;
-
-
-		}
-
-		// if inside an Atom content construct (e.g. content or summary) field treat tags as text
-		elseif ($this->feed_type == ATOM and $this->incontent )
-		{
-			// if tags are inlined, then flatten
-			$attrs_str = join(' ',
-					array_map(array('MagpieRSS', 'map_attrs'),
-					array_keys($attrs),
-					array_values($attrs) ) );
-
-			$this->append_content( "<$element $attrs_str>"  );
-
-			array_unshift( $this->stack, $el );
-		}
-
-		// Atom support many links per containging element.
-		// Magpie treats link elements of type rel='alternate'
-		// as being equivalent to RSS's simple link element.
-		//
-		elseif ($this->feed_type == ATOM and $el == 'link' )
-		{
-			if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
-			{
-				$link_el = 'link';
-			}
-			else {
-				$link_el = 'link_' . $attrs['rel'];
-			}
-
-			$this->append($link_el, $attrs['href']);
-		}
-		// set stack[0] to current element
-		else {
-			array_unshift($this->stack, $el);
-		}
-	}
-
-
-
-	function feed_cdata ($p, $text) {
-
-		if ($this->feed_type == ATOM and $this->incontent)
-		{
-			$this->append_content( $text );
-		}
-		else {
-			$current_el = join('_', array_reverse($this->stack));
-			$this->append($current_el, $text);
-		}
-	}
-
-	function feed_end_element ($p, $el) {
-		$el = strtolower($el);
-
-		if ( $el == 'item' or $el == 'entry' )
-		{
-			$this->items[] = $this->current_item;
-			$this->current_item = array();
-			$this->initem = false;
-		}
-		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
-		{
-			$this->intextinput = false;
-		}
-		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
-		{
-			$this->inimage = false;
-		}
-		elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
-		{
-			$this->incontent = false;
-		}
-		elseif ($el == 'channel' or $el == 'feed' )
-		{
-			$this->inchannel = false;
-		}
-		elseif ($this->feed_type == ATOM and $this->incontent  ) {
-			// balance tags properly
-			// note:  i don't think this is actually neccessary
-			if ( $this->stack[0] == $el )
-			{
-				$this->append_content("</$el>");
-			}
-			else {
-				$this->append_content("<$el />");
-			}
-
-			array_shift( $this->stack );
-		}
-		else {
-			array_shift( $this->stack );
-		}
-
-		$this->current_namespace = false;
-	}
-
-	function concat (&$str1, $str2="") {
-		if (!isset($str1) ) {
-			$str1="";
-		}
-		$str1 .= $str2;
-	}
-
-	function append_content($text) {
-		if ( $this->initem ) {
-			$this->concat( $this->current_item[ $this->incontent ], $text );
-		}
-		elseif ( $this->inchannel ) {
-			$this->concat( $this->channel[ $this->incontent ], $text );
-		}
-	}
-
-	// smart append - field and namespace aware
-	function append($el, $text) {
-		if (!$el) {
-			return;
-		}
-		if ( $this->current_namespace )
-		{
-			if ( $this->initem ) {
-				$this->concat(
-					$this->current_item[ $this->current_namespace ][ $el ], $text);
-			}
-			elseif ($this->inchannel) {
-				$this->concat(
-					$this->channel[ $this->current_namespace][ $el ], $text );
-			}
-			elseif ($this->intextinput) {
-				$this->concat(
-					$this->textinput[ $this->current_namespace][ $el ], $text );
-			}
-			elseif ($this->inimage) {
-				$this->concat(
-					$this->image[ $this->current_namespace ][ $el ], $text );
-			}
-		}
-		else {
-			if ( $this->initem ) {
-				$this->concat(
-					$this->current_item[ $el ], $text);
-			}
-			elseif ($this->intextinput) {
-				$this->concat(
-					$this->textinput[ $el ], $text );
-			}
-			elseif ($this->inimage) {
-				$this->concat(
-					$this->image[ $el ], $text );
-			}
-			elseif ($this->inchannel) {
-				$this->concat(
-					$this->channel[ $el ], $text );
-			}
-
-		}
-	}
-
-	function normalize () {
-		// if atom populate rss fields
-		if ( $this->is_atom() ) {
-			$this->channel['descripton'] = $this->channel['tagline'];
-			for ( $i = 0; $i < count($this->items); $i++) {
-				$item = $this->items[$i];
-				if ( isset($item['summary']) )
-					$item['description'] = $item['summary'];
-				if ( isset($item['atom_content']))
-					$item['content']['encoded'] = $item['atom_content'];
-
-				$this->items[$i] = $item;
-			}
-		}
-		elseif ( $this->is_rss() ) {
-			$this->channel['tagline'] = $this->channel['description'];
-			for ( $i = 0; $i < count($this->items); $i++) {
-				$item = $this->items[$i];
-				if ( isset($item['description']))
-					$item['summary'] = $item['description'];
-				if ( isset($item['content']['encoded'] ) )
-					$item['atom_content'] = $item['content']['encoded'];
-
-				$this->items[$i] = $item;
-			}
-		}
-	}
-
-	function is_rss () {
-		if ( $this->feed_type == RSS ) {
-			return $this->feed_version;
-		}
-		else {
-			return false;
-		}
-	}
-
-	function is_atom() {
-		if ( $this->feed_type == ATOM ) {
-			return $this->feed_version;
-		}
-		else {
-			return false;
-		}
-	}
-
-	function map_attrs($k, $v) {
-		return "$k=\"$v\"";
-	}
-
-	function error( $errormsg, $lvl = E_USER_WARNING ) {
-		// append PHP's error message if track_errors enabled
-		if ( isset($php_errormsg) ) {
-			$errormsg .= " ($php_errormsg)";
-		}
-		if ( MAGPIE_DEBUG ) {
-			trigger_error( $errormsg, $lvl);
-		} else {
-			error_log( $errormsg, 0);
-		}
-	}
-
-}
-
-if ( !function_exists('fetch_rss') ) :
-/**
- * Build Magpie object based on RSS from URL.
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- *
- * @param string $url URL to retrieve feed
- * @return bool|MagpieRSS false on failure or MagpieRSS object on success.
- */
-function fetch_rss ($url) {
-	// initialize constants
-	init();
-
-	if ( !isset($url) ) {
-		// error("fetch_rss called without a url");
-		return false;
-	}
-
-	// if cache is disabled
-	if ( !MAGPIE_CACHE_ON ) {
-		// fetch file, and parse it
-		$resp = _fetch_remote_file( $url );
-		if ( is_success( $resp->status ) ) {
-			return _response_to_rss( $resp );
-		}
-		else {
-			// error("Failed to fetch $url and cache is off");
-			return false;
-		}
-	}
-	// else cache is ON
-	else {
-		// Flow
-		// 1. check cache
-		// 2. if there is a hit, make sure its fresh
-		// 3. if cached obj fails freshness check, fetch remote
-		// 4. if remote fails, return stale object, or error
-
-		$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
-
-		if (MAGPIE_DEBUG and $cache->ERROR) {
-			debug($cache->ERROR, E_USER_WARNING);
-		}
-
-
-		$cache_status 	 = 0;		// response of check_cache
-		$request_headers = array(); // HTTP headers to send with fetch
-		$rss 			 = 0;		// parsed RSS object
-		$errormsg		 = 0;		// errors, if any
-
-		if (!$cache->ERROR) {
-			// return cache HIT, MISS, or STALE
-			$cache_status = $cache->check_cache( $url );
-		}
-
-		// if object cached, and cache is fresh, return cached obj
-		if ( $cache_status == 'HIT' ) {
-			$rss = $cache->get( $url );
-			if ( isset($rss) and $rss ) {
-				$rss->from_cache = 1;
-				if ( MAGPIE_DEBUG > 1) {
-				debug("MagpieRSS: Cache HIT", E_USER_NOTICE);
-			}
-				return $rss;
-			}
-		}
-
-		// else attempt a conditional get
-
-		// setup headers
-		if ( $cache_status == 'STALE' ) {
-			$rss = $cache->get( $url );
-			if ( isset($rss->etag) and $rss->last_modified ) {
-				$request_headers['If-None-Match'] = $rss->etag;
-				$request_headers['If-Last-Modified'] = $rss->last_modified;
-			}
-		}
-
-		$resp = _fetch_remote_file( $url, $request_headers );
-
-		if (isset($resp) and $resp) {
-			if ($resp->status == '304' ) {
-				// we have the most current copy
-				if ( MAGPIE_DEBUG > 1) {
-					debug("Got 304 for $url");
-				}
-				// reset cache on 304 (at minutillo insistent prodding)
-				$cache->set($url, $rss);
-				return $rss;
-			}
-			elseif ( is_success( $resp->status ) ) {
-				$rss = _response_to_rss( $resp );
-				if ( $rss ) {
-					if (MAGPIE_DEBUG > 1) {
-						debug("Fetch successful");
-					}
-					// add object to cache
-					$cache->set( $url, $rss );
-					return $rss;
-				}
-			}
-			else {
-				$errormsg = "Failed to fetch $url. ";
-				if ( $resp->error ) {
-					# compensate for Snoopy's annoying habbit to tacking
-					# on '\n'
-					$http_error = substr($resp->error, 0, -2);
-					$errormsg .= "(HTTP Error: $http_error)";
-				}
-				else {
-					$errormsg .=  "(HTTP Response: " . $resp->response_code .')';
-				}
-			}
-		}
-		else {
-			$errormsg = "Unable to retrieve RSS file for unknown reasons.";
-		}
-
-		// else fetch failed
-
-		// attempt to return cached object
-		if ($rss) {
-			if ( MAGPIE_DEBUG ) {
-				debug("Returning STALE object for $url");
-			}
-			return $rss;
-		}
-
-		// else we totally failed
-		// error( $errormsg );
-
-		return false;
-
-	} // end if ( !MAGPIE_CACHE_ON ) {
-} // end fetch_rss()
-endif;
-
-/**
- * Retrieve URL headers and content using WP HTTP Request API.
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- *
- * @param string $url URL to retrieve
- * @param array $headers Optional. Headers to send to the URL.
- * @return Snoopy style response
- */
-function _fetch_remote_file ($url, $headers = "" ) {
-	$resp = wp_remote_request($url, array('headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT));
-	if ( is_wp_error($resp) ) {
-		$error = array_shift($resp->errors);
-
-		$resp = new stdClass;
-		$resp->status = 500;
-		$resp->response_code = 500;
-		$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
-		return $resp;
-	}
-	$response = new stdClass;
-	$response->status = $resp['response']['code'];
-	$response->response_code = $resp['response']['code'];
-	$response->headers = $resp['headers'];
-	$response->results = $resp['body'];
-
-	return $response;
-}
-
-/**
- * Retrieve
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- *
- * @param unknown_type $resp
- * @return unknown
- */
-function _response_to_rss ($resp) {
-	$rss = new MagpieRSS( $resp->results );
-
-	// if RSS parsed successfully
-	if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
-
-		// find Etag, and Last-Modified
-		foreach( (array) $resp->headers as $h) {
-			// 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1"
-			if (strpos($h, ": ")) {
-				list($field, $val) = explode(": ", $h, 2);
-			}
-			else {
-				$field = $h;
-				$val = "";
-			}
-
-			if ( $field == 'ETag' ) {
-				$rss->etag = $val;
-			}
-
-			if ( $field == 'Last-Modified' ) {
-				$rss->last_modified = $val;
-			}
-		}
-
-		return $rss;
-	} // else construct error message
-	else {
-		$errormsg = "Failed to parse RSS file.";
-
-		if ($rss) {
-			$errormsg .= " (" . $rss->ERROR . ")";
-		}
-		// error($errormsg);
-
-		return false;
-	} // end if ($rss and !$rss->error)
-}
-
-/**
- * Setup constants with default values, unless user overrides.
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- */
-function init () {
-	if ( defined('MAGPIE_INITALIZED') ) {
-		return;
-	}
-	else {
-		define('MAGPIE_INITALIZED', 1);
-	}
-
-	if ( !defined('MAGPIE_CACHE_ON') ) {
-		define('MAGPIE_CACHE_ON', 1);
-	}
-
-	if ( !defined('MAGPIE_CACHE_DIR') ) {
-		define('MAGPIE_CACHE_DIR', './cache');
-	}
-
-	if ( !defined('MAGPIE_CACHE_AGE') ) {
-		define('MAGPIE_CACHE_AGE', 60*60); // one hour
-	}
-
-	if ( !defined('MAGPIE_CACHE_FRESH_ONLY') ) {
-		define('MAGPIE_CACHE_FRESH_ONLY', 0);
-	}
-
-		if ( !defined('MAGPIE_DEBUG') ) {
-		define('MAGPIE_DEBUG', 0);
-	}
-
-	if ( !defined('MAGPIE_USER_AGENT') ) {
-		$ua = 'WordPress/' . $GLOBALS['wp_version'];
-
-		if ( MAGPIE_CACHE_ON ) {
-			$ua = $ua . ')';
-		}
-		else {
-			$ua = $ua . '; No cache)';
-		}
-
-		define('MAGPIE_USER_AGENT', $ua);
-	}
-
-	if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
-		define('MAGPIE_FETCH_TIME_OUT', 2);	// 2 second timeout
-	}
-
-	// use gzip encoding to fetch rss files if supported?
-	if ( !defined('MAGPIE_USE_GZIP') ) {
-		define('MAGPIE_USE_GZIP', true);
-	}
-}
-
-function is_info ($sc) {
-	return $sc >= 100 && $sc < 200;
-}
-
-function is_success ($sc) {
-	return $sc >= 200 && $sc < 300;
-}
-
-function is_redirect ($sc) {
-	return $sc >= 300 && $sc < 400;
-}
-
-function is_error ($sc) {
-	return $sc >= 400 && $sc < 600;
-}
-
-function is_client_error ($sc) {
-	return $sc >= 400 && $sc < 500;
-}
-
-function is_server_error ($sc) {
-	return $sc >= 500 && $sc < 600;
-}
-
-class RSSCache {
-	var $BASE_CACHE;	// where the cache files are stored
-	var $MAX_AGE	= 43200;  		// when are files stale, default twelve hours
-	var $ERROR 		= '';			// accumulate error messages
-
-	function RSSCache ($base='', $age='') {
-		$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
-		if ( $base ) {
-			$this->BASE_CACHE = $base;
-		}
-		if ( $age ) {
-			$this->MAX_AGE = $age;
-		}
-
-	}
-
-/*=======================================================================*\
-	Function:	set
-	Purpose:	add an item to the cache, keyed on url
-	Input:		url from wich the rss file was fetched
-	Output:		true on sucess
-\*=======================================================================*/
-	function set ($url, $rss) {
-		global $wpdb;
-		$cache_option = 'rss_' . $this->file_name( $url );
-
-		set_transient($cache_option, $rss, $this->MAX_AGE);
-
-		return $cache_option;
-	}
-
-/*=======================================================================*\
-	Function:	get
-	Purpose:	fetch an item from the cache
-	Input:		url from wich the rss file was fetched
-	Output:		cached object on HIT, false on MISS
-\*=======================================================================*/
-	function get ($url) {
-		$this->ERROR = "";
-		$cache_option = 'rss_' . $this->file_name( $url );
-
-		if ( ! $rss = get_transient( $cache_option ) ) {
-			$this->debug(
-				"Cache doesn't contain: $url (cache option: $cache_option)"
-			);
-			return 0;
-		}
-
-		return $rss;
-	}
-
-/*=======================================================================*\
-	Function:	check_cache
-	Purpose:	check a url for membership in the cache
-				and whether the object is older then MAX_AGE (ie. STALE)
-	Input:		url from wich the rss file was fetched
-	Output:		cached object on HIT, false on MISS
-\*=======================================================================*/
-	function check_cache ( $url ) {
-		$this->ERROR = "";
-		$cache_option = 'rss_' . $this->file_name( $url );
-
-		if ( get_transient($cache_option) ) {
-			// object exists and is current
-				return 'HIT';
-		} else {
-			// object does not exist
-			return 'MISS';
-		}
-	}
-
-/*=======================================================================*\
-	Function:	serialize
-\*=======================================================================*/
-	function serialize ( $rss ) {
-		return serialize( $rss );
-	}
-
-/*=======================================================================*\
-	Function:	unserialize
-\*=======================================================================*/
-	function unserialize ( $data ) {
-		return unserialize( $data );
-	}
-
-/*=======================================================================*\
-	Function:	file_name
-	Purpose:	map url to location in cache
-	Input:		url from wich the rss file was fetched
-	Output:		a file name
-\*=======================================================================*/
-	function file_name ($url) {
-		return md5( $url );
-	}
-
-/*=======================================================================*\
-	Function:	error
-	Purpose:	register error
-\*=======================================================================*/
-	function error ($errormsg, $lvl=E_USER_WARNING) {
-		// append PHP's error message if track_errors enabled
-		if ( isset($php_errormsg) ) {
-			$errormsg .= " ($php_errormsg)";
-		}
-		$this->ERROR = $errormsg;
-		if ( MAGPIE_DEBUG ) {
-			trigger_error( $errormsg, $lvl);
-		}
-		else {
-			error_log( $errormsg, 0);
-		}
-	}
-			function debug ($debugmsg, $lvl=E_USER_NOTICE) {
-		if ( MAGPIE_DEBUG ) {
-			$this->error("MagpieRSS [debug] $debugmsg", $lvl);
-		}
-	}
-}
-
-if ( !function_exists('parse_w3cdtf') ) :
-function parse_w3cdtf ( $date_str ) {
-
-	# regex to match wc3dtf
-	$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
-
-	if ( preg_match( $pat, $date_str, $match ) ) {
-		list( $year, $month, $day, $hours, $minutes, $seconds) =
-			array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[7]);
-
-		# calc epoch for current date assuming GMT
-		$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
-
-		$offset = 0;
-		if ( $match[11] == 'Z' ) {
-			# zulu time, aka GMT
-		}
-		else {
-			list( $tz_mod, $tz_hour, $tz_min ) =
-				array( $match[8], $match[9], $match[10]);
-
-			# zero out the variables
-			if ( ! $tz_hour ) { $tz_hour = 0; }
-			if ( ! $tz_min ) { $tz_min = 0; }
-
-			$offset_secs = (($tz_hour*60)+$tz_min)*60;
-
-			# is timezone ahead of GMT?  then subtract offset
-			#
-			if ( $tz_mod == '+' ) {
-				$offset_secs = $offset_secs * -1;
-			}
-
-			$offset = $offset_secs;
-		}
-		$epoch = $epoch + $offset;
-		return $epoch;
-	}
-	else {
-		return -1;
-	}
-}
-endif;
-
-if ( !function_exists('wp_rss') ) :
-/**
- * Display all RSS items in a HTML ordered list.
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- *
- * @param string $url URL of feed to display. Will not auto sense feed URL.
- * @param int $num_items Optional. Number of items to display, default is all.
- */
-function wp_rss( $url, $num_items = -1 ) {
-	if ( $rss = fetch_rss( $url ) ) {
-		echo '<ul>';
-
-		if ( $num_items !== -1 ) {
-			$rss->items = array_slice( $rss->items, 0, $num_items );
-		}
-
-		foreach ( (array) $rss->items as $item ) {
-			printf(
-				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
-				esc_url( $item['link'] ),
-				esc_attr( strip_tags( $item['description'] ) ),
-				htmlentities( $item['title'] )
-			);
-		}
-
-		echo '</ul>';
-	} else {
-		_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
-	}
-}
-endif;
-
-if ( !function_exists('get_rss') ) :
-/**
- * Display RSS items in HTML list items.
- *
- * You have to specify which HTML list you want, either ordered or unordered
- * before using the function. You also have to specify how many items you wish
- * to display. You can't display all of them like you can with wp_rss()
- * function.
- *
- * @since unknown
- * @package External
- * @subpackage MagpieRSS
- *
- * @param string $url URL of feed to display. Will not auto sense feed URL.
- * @param int $num_items Optional. Number of items to display, default is all.
- * @return bool False on failure.
- */
-function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
-	$rss = fetch_rss($url);
-	if ( $rss ) {
-		$rss->items = array_slice($rss->items, 0, $num_items);
-		foreach ( (array) $rss->items as $item ) {
-			echo "<li>\n";
-			echo "<a href='$item[link]' title='$item[description]'>";
-			echo htmlentities($item['title']);
-			echo "</a><br />\n";
-			echo "</li>\n";
-		}
-	} else {
-		return false;
-	}
-}
-endif;
-
-?>
+<?php
+/**
+ * MagpieRSS: a simple RSS integration tool
+ *
+ * A compiled file for RSS syndication
+ *
+ * @author Kellan Elliott-McCrea <kellan@protest.net>
+ * @version 0.51
+ * @license GPL
+ *
+ * @package External
+ * @subpackage MagpieRSS
+ */
+
+/*
+ * Hook to use another RSS object instead of MagpieRSS
+ */
+do_action('load_feed_engine');
+
+/** RSS feed constant. */
+define('RSS', 'RSS');
+define('ATOM', 'Atom');
+define('MAGPIE_USER_AGENT', 'WordPress/' . $GLOBALS['wp_version']);
+
+class MagpieRSS {
+	var $parser;
+	var $current_item	= array();	// item currently being parsed
+	var $items			= array();	// collection of parsed items
+	var $channel		= array();	// hash of channel fields
+	var $textinput		= array();
+	var $image			= array();
+	var $feed_type;
+	var $feed_version;
+
+	// parser variables
+	var $stack				= array(); // parser stack
+	var $inchannel			= false;
+	var $initem 			= false;
+	var $incontent			= false; // if in Atom <content mode="xml"> field
+	var $intextinput		= false;
+	var $inimage 			= false;
+	var $current_field		= '';
+	var $current_namespace	= false;
+
+	//var $ERROR = "";
+
+	var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
+
+	function MagpieRSS ($source) {
+
+		# if PHP xml isn't compiled in, die
+		#
+		if ( !function_exists('xml_parser_create') )
+			trigger_error( "Failed to load PHP's XML Extension. http://www.php.net/manual/en/ref.xml.php" );
+
+		$parser = @xml_parser_create();
+
+		if ( !is_resource($parser) )
+			trigger_error( "Failed to create an instance of PHP's XML parser. http://www.php.net/manual/en/ref.xml.php");
+
+
+		$this->parser = $parser;
+
+		# pass in parser, and a reference to this object
+		# setup handlers
+		#
+		xml_set_object( $this->parser, $this );
+		xml_set_element_handler($this->parser,
+				'feed_start_element', 'feed_end_element' );
+
+		xml_set_character_data_handler( $this->parser, 'feed_cdata' );
+
+		$status = xml_parse( $this->parser, $source );
+
+		if (! $status ) {
+			$errorcode = xml_get_error_code( $this->parser );
+			if ( $errorcode != XML_ERROR_NONE ) {
+				$xml_error = xml_error_string( $errorcode );
+				$error_line = xml_get_current_line_number($this->parser);
+				$error_col = xml_get_current_column_number($this->parser);
+				$errormsg = "$xml_error at line $error_line, column $error_col";
+
+				$this->error( $errormsg );
+			}
+		}
+
+		xml_parser_free( $this->parser );
+
+		$this->normalize();
+	}
+
+	function feed_start_element($p, $element, &$attrs) {
+		$el = $element = strtolower($element);
+		$attrs = array_change_key_case($attrs, CASE_LOWER);
+
+		// check for a namespace, and split if found
+		$ns	= false;
+		if ( strpos( $element, ':' ) ) {
+			list($ns, $el) = split( ':', $element, 2);
+		}
+		if ( $ns and $ns != 'rdf' ) {
+			$this->current_namespace = $ns;
+		}
+
+		# if feed type isn't set, then this is first element of feed
+		# identify feed from root element
+		#
+		if (!isset($this->feed_type) ) {
+			if ( $el == 'rdf' ) {
+				$this->feed_type = RSS;
+				$this->feed_version = '1.0';
+			}
+			elseif ( $el == 'rss' ) {
+				$this->feed_type = RSS;
+				$this->feed_version = $attrs['version'];
+			}
+			elseif ( $el == 'feed' ) {
+				$this->feed_type = ATOM;
+				$this->feed_version = $attrs['version'];
+				$this->inchannel = true;
+			}
+			return;
+		}
+
+		if ( $el == 'channel' )
+		{
+			$this->inchannel = true;
+		}
+		elseif ($el == 'item' or $el == 'entry' )
+		{
+			$this->initem = true;
+			if ( isset($attrs['rdf:about']) ) {
+				$this->current_item['about'] = $attrs['rdf:about'];
+			}
+		}
+
+		// if we're in the default namespace of an RSS feed,
+		//  record textinput or image fields
+		elseif (
+			$this->feed_type == RSS and
+			$this->current_namespace == '' and
+			$el == 'textinput' )
+		{
+			$this->intextinput = true;
+		}
+
+		elseif (
+			$this->feed_type == RSS and
+			$this->current_namespace == '' and
+			$el == 'image' )
+		{
+			$this->inimage = true;
+		}
+
+		# handle atom content constructs
+		elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
+		{
+			// avoid clashing w/ RSS mod_content
+			if ($el == 'content' ) {
+				$el = 'atom_content';
+			}
+
+			$this->incontent = $el;
+
+
+		}
+
+		// if inside an Atom content construct (e.g. content or summary) field treat tags as text
+		elseif ($this->feed_type == ATOM and $this->incontent )
+		{
+			// if tags are inlined, then flatten
+			$attrs_str = join(' ',
+					array_map(array('MagpieRSS', 'map_attrs'),
+					array_keys($attrs),
+					array_values($attrs) ) );
+
+			$this->append_content( "<$element $attrs_str>"  );
+
+			array_unshift( $this->stack, $el );
+		}
+
+		// Atom support many links per containging element.
+		// Magpie treats link elements of type rel='alternate'
+		// as being equivalent to RSS's simple link element.
+		//
+		elseif ($this->feed_type == ATOM and $el == 'link' )
+		{
+			if ( isset($attrs['rel']) and $attrs['rel'] == 'alternate' )
+			{
+				$link_el = 'link';
+			}
+			else {
+				$link_el = 'link_' . $attrs['rel'];
+			}
+
+			$this->append($link_el, $attrs['href']);
+		}
+		// set stack[0] to current element
+		else {
+			array_unshift($this->stack, $el);
+		}
+	}
+
+
+
+	function feed_cdata ($p, $text) {
+
+		if ($this->feed_type == ATOM and $this->incontent)
+		{
+			$this->append_content( $text );
+		}
+		else {
+			$current_el = join('_', array_reverse($this->stack));
+			$this->append($current_el, $text);
+		}
+	}
+
+	function feed_end_element ($p, $el) {
+		$el = strtolower($el);
+
+		if ( $el == 'item' or $el == 'entry' )
+		{
+			$this->items[] = $this->current_item;
+			$this->current_item = array();
+			$this->initem = false;
+		}
+		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'textinput' )
+		{
+			$this->intextinput = false;
+		}
+		elseif ($this->feed_type == RSS and $this->current_namespace == '' and $el == 'image' )
+		{
+			$this->inimage = false;
+		}
+		elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
+		{
+			$this->incontent = false;
+		}
+		elseif ($el == 'channel' or $el == 'feed' )
+		{
+			$this->inchannel = false;
+		}
+		elseif ($this->feed_type == ATOM and $this->incontent  ) {
+			// balance tags properly
+			// note:  i don't think this is actually neccessary
+			if ( $this->stack[0] == $el )
+			{
+				$this->append_content("</$el>");
+			}
+			else {
+				$this->append_content("<$el />");
+			}
+
+			array_shift( $this->stack );
+		}
+		else {
+			array_shift( $this->stack );
+		}
+
+		$this->current_namespace = false;
+	}
+
+	function concat (&$str1, $str2="") {
+		if (!isset($str1) ) {
+			$str1="";
+		}
+		$str1 .= $str2;
+	}
+
+	function append_content($text) {
+		if ( $this->initem ) {
+			$this->concat( $this->current_item[ $this->incontent ], $text );
+		}
+		elseif ( $this->inchannel ) {
+			$this->concat( $this->channel[ $this->incontent ], $text );
+		}
+	}
+
+	// smart append - field and namespace aware
+	function append($el, $text) {
+		if (!$el) {
+			return;
+		}
+		if ( $this->current_namespace )
+		{
+			if ( $this->initem ) {
+				$this->concat(
+					$this->current_item[ $this->current_namespace ][ $el ], $text);
+			}
+			elseif ($this->inchannel) {
+				$this->concat(
+					$this->channel[ $this->current_namespace][ $el ], $text );
+			}
+			elseif ($this->intextinput) {
+				$this->concat(
+					$this->textinput[ $this->current_namespace][ $el ], $text );
+			}
+			elseif ($this->inimage) {
+				$this->concat(
+					$this->image[ $this->current_namespace ][ $el ], $text );
+			}
+		}
+		else {
+			if ( $this->initem ) {
+				$this->concat(
+					$this->current_item[ $el ], $text);
+			}
+			elseif ($this->intextinput) {
+				$this->concat(
+					$this->textinput[ $el ], $text );
+			}
+			elseif ($this->inimage) {
+				$this->concat(
+					$this->image[ $el ], $text );
+			}
+			elseif ($this->inchannel) {
+				$this->concat(
+					$this->channel[ $el ], $text );
+			}
+
+		}
+	}
+
+	function normalize () {
+		// if atom populate rss fields
+		if ( $this->is_atom() ) {
+			$this->channel['descripton'] = $this->channel['tagline'];
+			for ( $i = 0; $i < count($this->items); $i++) {
+				$item = $this->items[$i];
+				if ( isset($item['summary']) )
+					$item['description'] = $item['summary'];
+				if ( isset($item['atom_content']))
+					$item['content']['encoded'] = $item['atom_content'];
+
+				$this->items[$i] = $item;
+			}
+		}
+		elseif ( $this->is_rss() ) {
+			$this->channel['tagline'] = $this->channel['description'];
+			for ( $i = 0; $i < count($this->items); $i++) {
+				$item = $this->items[$i];
+				if ( isset($item['description']))
+					$item['summary'] = $item['description'];
+				if ( isset($item['content']['encoded'] ) )
+					$item['atom_content'] = $item['content']['encoded'];
+
+				$this->items[$i] = $item;
+			}
+		}
+	}
+
+	function is_rss () {
+		if ( $this->feed_type == RSS ) {
+			return $this->feed_version;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function is_atom() {
+		if ( $this->feed_type == ATOM ) {
+			return $this->feed_version;
+		}
+		else {
+			return false;
+		}
+	}
+
+	function map_attrs($k, $v) {
+		return "$k=\"$v\"";
+	}
+
+	function error( $errormsg, $lvl = E_USER_WARNING ) {
+		// append PHP's error message if track_errors enabled
+		if ( isset($php_errormsg) ) {
+			$errormsg .= " ($php_errormsg)";
+		}
+		if ( MAGPIE_DEBUG ) {
+			trigger_error( $errormsg, $lvl);
+		} else {
+			error_log( $errormsg, 0);
+		}
+	}
+
+}
+
+if ( !function_exists('fetch_rss') ) :
+/**
+ * Build Magpie object based on RSS from URL.
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL to retrieve feed
+ * @return bool|MagpieRSS false on failure or MagpieRSS object on success.
+ */
+function fetch_rss ($url) {
+	// initialize constants
+	init();
+
+	if ( !isset($url) ) {
+		// error("fetch_rss called without a url");
+		return false;
+	}
+
+	// if cache is disabled
+	if ( !MAGPIE_CACHE_ON ) {
+		// fetch file, and parse it
+		$resp = _fetch_remote_file( $url );
+		if ( is_success( $resp->status ) ) {
+			return _response_to_rss( $resp );
+		}
+		else {
+			// error("Failed to fetch $url and cache is off");
+			return false;
+		}
+	}
+	// else cache is ON
+	else {
+		// Flow
+		// 1. check cache
+		// 2. if there is a hit, make sure its fresh
+		// 3. if cached obj fails freshness check, fetch remote
+		// 4. if remote fails, return stale object, or error
+
+		$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
+
+		if (MAGPIE_DEBUG and $cache->ERROR) {
+			debug($cache->ERROR, E_USER_WARNING);
+		}
+
+
+		$cache_status 	 = 0;		// response of check_cache
+		$request_headers = array(); // HTTP headers to send with fetch
+		$rss 			 = 0;		// parsed RSS object
+		$errormsg		 = 0;		// errors, if any
+
+		if (!$cache->ERROR) {
+			// return cache HIT, MISS, or STALE
+			$cache_status = $cache->check_cache( $url );
+		}
+
+		// if object cached, and cache is fresh, return cached obj
+		if ( $cache_status == 'HIT' ) {
+			$rss = $cache->get( $url );
+			if ( isset($rss) and $rss ) {
+				$rss->from_cache = 1;
+				if ( MAGPIE_DEBUG > 1) {
+				debug("MagpieRSS: Cache HIT", E_USER_NOTICE);
+			}
+				return $rss;
+			}
+		}
+
+		// else attempt a conditional get
+
+		// setup headers
+		if ( $cache_status == 'STALE' ) {
+			$rss = $cache->get( $url );
+			if ( isset($rss->etag) and $rss->last_modified ) {
+				$request_headers['If-None-Match'] = $rss->etag;
+				$request_headers['If-Last-Modified'] = $rss->last_modified;
+			}
+		}
+
+		$resp = _fetch_remote_file( $url, $request_headers );
+
+		if (isset($resp) and $resp) {
+			if ($resp->status == '304' ) {
+				// we have the most current copy
+				if ( MAGPIE_DEBUG > 1) {
+					debug("Got 304 for $url");
+				}
+				// reset cache on 304 (at minutillo insistent prodding)
+				$cache->set($url, $rss);
+				return $rss;
+			}
+			elseif ( is_success( $resp->status ) ) {
+				$rss = _response_to_rss( $resp );
+				if ( $rss ) {
+					if (MAGPIE_DEBUG > 1) {
+						debug("Fetch successful");
+					}
+					// add object to cache
+					$cache->set( $url, $rss );
+					return $rss;
+				}
+			}
+			else {
+				$errormsg = "Failed to fetch $url. ";
+				if ( $resp->error ) {
+					# compensate for Snoopy's annoying habbit to tacking
+					# on '\n'
+					$http_error = substr($resp->error, 0, -2);
+					$errormsg .= "(HTTP Error: $http_error)";
+				}
+				else {
+					$errormsg .=  "(HTTP Response: " . $resp->response_code .')';
+				}
+			}
+		}
+		else {
+			$errormsg = "Unable to retrieve RSS file for unknown reasons.";
+		}
+
+		// else fetch failed
+
+		// attempt to return cached object
+		if ($rss) {
+			if ( MAGPIE_DEBUG ) {
+				debug("Returning STALE object for $url");
+			}
+			return $rss;
+		}
+
+		// else we totally failed
+		// error( $errormsg );
+
+		return false;
+
+	} // end if ( !MAGPIE_CACHE_ON ) {
+} // end fetch_rss()
+endif;
+
+/**
+ * Retrieve URL headers and content using WP HTTP Request API.
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL to retrieve
+ * @param array $headers Optional. Headers to send to the URL.
+ * @return Snoopy style response
+ */
+function _fetch_remote_file ($url, $headers = "" ) {
+	$resp = wp_remote_request($url, array('headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT));
+	if ( is_wp_error($resp) ) {
+		$error = array_shift($resp->errors);
+
+		$resp = new stdClass;
+		$resp->status = 500;
+		$resp->response_code = 500;
+		$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
+		return $resp;
+	}
+	$response = new stdClass;
+	$response->status = $resp['response']['code'];
+	$response->response_code = $resp['response']['code'];
+	$response->headers = $resp['headers'];
+	$response->results = $resp['body'];
+
+	return $response;
+}
+
+/**
+ * Retrieve
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param unknown_type $resp
+ * @return unknown
+ */
+function _response_to_rss ($resp) {
+	$rss = new MagpieRSS( $resp->results );
+
+	// if RSS parsed successfully
+	if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {
+
+		// find Etag, and Last-Modified
+		foreach( (array) $resp->headers as $h) {
+			// 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1"
+			if (strpos($h, ": ")) {
+				list($field, $val) = explode(": ", $h, 2);
+			}
+			else {
+				$field = $h;
+				$val = "";
+			}
+
+			if ( $field == 'ETag' ) {
+				$rss->etag = $val;
+			}
+
+			if ( $field == 'Last-Modified' ) {
+				$rss->last_modified = $val;
+			}
+		}
+
+		return $rss;
+	} // else construct error message
+	else {
+		$errormsg = "Failed to parse RSS file.";
+
+		if ($rss) {
+			$errormsg .= " (" . $rss->ERROR . ")";
+		}
+		// error($errormsg);
+
+		return false;
+	} // end if ($rss and !$rss->error)
+}
+
+/**
+ * Setup constants with default values, unless user overrides.
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ */
+function init () {
+	if ( defined('MAGPIE_INITALIZED') ) {
+		return;
+	}
+	else {
+		define('MAGPIE_INITALIZED', 1);
+	}
+
+	if ( !defined('MAGPIE_CACHE_ON') ) {
+		define('MAGPIE_CACHE_ON', 1);
+	}
+
+	if ( !defined('MAGPIE_CACHE_DIR') ) {
+		define('MAGPIE_CACHE_DIR', './cache');
+	}
+
+	if ( !defined('MAGPIE_CACHE_AGE') ) {
+		define('MAGPIE_CACHE_AGE', 60*60); // one hour
+	}
+
+	if ( !defined('MAGPIE_CACHE_FRESH_ONLY') ) {
+		define('MAGPIE_CACHE_FRESH_ONLY', 0);
+	}
+
+		if ( !defined('MAGPIE_DEBUG') ) {
+		define('MAGPIE_DEBUG', 0);
+	}
+
+	if ( !defined('MAGPIE_USER_AGENT') ) {
+		$ua = 'WordPress/' . $GLOBALS['wp_version'];
+
+		if ( MAGPIE_CACHE_ON ) {
+			$ua = $ua . ')';
+		}
+		else {
+			$ua = $ua . '; No cache)';
+		}
+
+		define('MAGPIE_USER_AGENT', $ua);
+	}
+
+	if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
+		define('MAGPIE_FETCH_TIME_OUT', 2);	// 2 second timeout
+	}
+
+	// use gzip encoding to fetch rss files if supported?
+	if ( !defined('MAGPIE_USE_GZIP') ) {
+		define('MAGPIE_USE_GZIP', true);
+	}
+}
+
+function is_info ($sc) {
+	return $sc >= 100 && $sc < 200;
+}
+
+function is_success ($sc) {
+	return $sc >= 200 && $sc < 300;
+}
+
+function is_redirect ($sc) {
+	return $sc >= 300 && $sc < 400;
+}
+
+function is_error ($sc) {
+	return $sc >= 400 && $sc < 600;
+}
+
+function is_client_error ($sc) {
+	return $sc >= 400 && $sc < 500;
+}
+
+function is_server_error ($sc) {
+	return $sc >= 500 && $sc < 600;
+}
+
+class RSSCache {
+	var $BASE_CACHE;	// where the cache files are stored
+	var $MAX_AGE	= 43200;  		// when are files stale, default twelve hours
+	var $ERROR 		= '';			// accumulate error messages
+
+	function RSSCache ($base='', $age='') {
+		$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';
+		if ( $base ) {
+			$this->BASE_CACHE = $base;
+		}
+		if ( $age ) {
+			$this->MAX_AGE = $age;
+		}
+
+	}
+
+/*=======================================================================*\
+	Function:	set
+	Purpose:	add an item to the cache, keyed on url
+	Input:		url from wich the rss file was fetched
+	Output:		true on sucess
+\*=======================================================================*/
+	function set ($url, $rss) {
+		global $wpdb;
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		set_transient($cache_option, $rss, $this->MAX_AGE);
+
+		return $cache_option;
+	}
+
+/*=======================================================================*\
+	Function:	get
+	Purpose:	fetch an item from the cache
+	Input:		url from wich the rss file was fetched
+	Output:		cached object on HIT, false on MISS
+\*=======================================================================*/
+	function get ($url) {
+		$this->ERROR = "";
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		if ( ! $rss = get_transient( $cache_option ) ) {
+			$this->debug(
+				"Cache doesn't contain: $url (cache option: $cache_option)"
+			);
+			return 0;
+		}
+
+		return $rss;
+	}
+
+/*=======================================================================*\
+	Function:	check_cache
+	Purpose:	check a url for membership in the cache
+				and whether the object is older then MAX_AGE (ie. STALE)
+	Input:		url from wich the rss file was fetched
+	Output:		cached object on HIT, false on MISS
+\*=======================================================================*/
+	function check_cache ( $url ) {
+		$this->ERROR = "";
+		$cache_option = 'rss_' . $this->file_name( $url );
+
+		if ( get_transient($cache_option) ) {
+			// object exists and is current
+				return 'HIT';
+		} else {
+			// object does not exist
+			return 'MISS';
+		}
+	}
+
+/*=======================================================================*\
+	Function:	serialize
+\*=======================================================================*/
+	function serialize ( $rss ) {
+		return serialize( $rss );
+	}
+
+/*=======================================================================*\
+	Function:	unserialize
+\*=======================================================================*/
+	function unserialize ( $data ) {
+		return unserialize( $data );
+	}
+
+/*=======================================================================*\
+	Function:	file_name
+	Purpose:	map url to location in cache
+	Input:		url from wich the rss file was fetched
+	Output:		a file name
+\*=======================================================================*/
+	function file_name ($url) {
+		return md5( $url );
+	}
+
+/*=======================================================================*\
+	Function:	error
+	Purpose:	register error
+\*=======================================================================*/
+	function error ($errormsg, $lvl=E_USER_WARNING) {
+		// append PHP's error message if track_errors enabled
+		if ( isset($php_errormsg) ) {
+			$errormsg .= " ($php_errormsg)";
+		}
+		$this->ERROR = $errormsg;
+		if ( MAGPIE_DEBUG ) {
+			trigger_error( $errormsg, $lvl);
+		}
+		else {
+			error_log( $errormsg, 0);
+		}
+	}
+			function debug ($debugmsg, $lvl=E_USER_NOTICE) {
+		if ( MAGPIE_DEBUG ) {
+			$this->error("MagpieRSS [debug] $debugmsg", $lvl);
+		}
+	}
+}
+
+if ( !function_exists('parse_w3cdtf') ) :
+function parse_w3cdtf ( $date_str ) {
+
+	# regex to match wc3dtf
+	$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
+
+	if ( preg_match( $pat, $date_str, $match ) ) {
+		list( $year, $month, $day, $hours, $minutes, $seconds) =
+			array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[7]);
+
+		# calc epoch for current date assuming GMT
+		$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
+
+		$offset = 0;
+		if ( $match[11] == 'Z' ) {
+			# zulu time, aka GMT
+		}
+		else {
+			list( $tz_mod, $tz_hour, $tz_min ) =
+				array( $match[8], $match[9], $match[10]);
+
+			# zero out the variables
+			if ( ! $tz_hour ) { $tz_hour = 0; }
+			if ( ! $tz_min ) { $tz_min = 0; }
+
+			$offset_secs = (($tz_hour*60)+$tz_min)*60;
+
+			# is timezone ahead of GMT?  then subtract offset
+			#
+			if ( $tz_mod == '+' ) {
+				$offset_secs = $offset_secs * -1;
+			}
+
+			$offset = $offset_secs;
+		}
+		$epoch = $epoch + $offset;
+		return $epoch;
+	}
+	else {
+		return -1;
+	}
+}
+endif;
+
+if ( !function_exists('wp_rss') ) :
+/**
+ * Display all RSS items in a HTML ordered list.
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL of feed to display. Will not auto sense feed URL.
+ * @param int $num_items Optional. Number of items to display, default is all.
+ */
+function wp_rss( $url, $num_items = -1 ) {
+	if ( $rss = fetch_rss( $url ) ) {
+		echo '<ul>';
+
+		if ( $num_items !== -1 ) {
+			$rss->items = array_slice( $rss->items, 0, $num_items );
+		}
+
+		foreach ( (array) $rss->items as $item ) {
+			printf(
+				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
+				esc_url( $item['link'] ),
+				esc_attr( strip_tags( $item['description'] ) ),
+				htmlentities( $item['title'] )
+			);
+		}
+
+		echo '</ul>';
+	} else {
+		_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
+	}
+}
+endif;
+
+if ( !function_exists('get_rss') ) :
+/**
+ * Display RSS items in HTML list items.
+ *
+ * You have to specify which HTML list you want, either ordered or unordered
+ * before using the function. You also have to specify how many items you wish
+ * to display. You can't display all of them like you can with wp_rss()
+ * function.
+ *
+ * @since unknown
+ * @package External
+ * @subpackage MagpieRSS
+ *
+ * @param string $url URL of feed to display. Will not auto sense feed URL.
+ * @param int $num_items Optional. Number of items to display, default is all.
+ * @return bool False on failure.
+ */
+function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS
+	$rss = fetch_rss($url);
+	if ( $rss ) {
+		$rss->items = array_slice($rss->items, 0, $num_items);
+		foreach ( (array) $rss->items as $item ) {
+			echo "<li>\n";
+			echo "<a href='$item[link]' title='$item[description]'>";
+			echo htmlentities($item['title']);
+			echo "</a><br />\n";
+			echo "</li>\n";
+		}
+	} else {
+		return false;
+	}
+}
+endif;
+
+?>