Merge the later development version of feedcreator with my modified version 1.7.2. This should add later versions of RSS formats to the mix

1 files changed, 1869 insertions, 0 deletions

diff --git a/includes/classes/feedcreator.class.php b/includes/classes/feedcreator.class.php
new file mode 100644
index 0000000..2209f53
--- /dev/null
+++ b/includes/classes/feedcreator.class.php
@@ -0,0 +1,1869 @@
+<?php
+namespace Bitweaver\Rss;
+use Bitweaver\KernelTools;
+
+/**
+ * @version $Header$
+ * @package rss
+ */
+
+/***************************************************************************
+
+FeedCreator class v1.8.0-dev (development)
+http://feedcreator.org
+maintained by Mohammad Hafiz bin Ismail (info@mypapit.net)
+feedcreator.org
+
+originally (c) Kai Blankenhorn
+www.bitfolge.de
+kaib@bitfolge.de
+
+
+v1.3 work by Scott Reynen (scott@randomchaos.com) and Kai Blankenhorn
+v1.5 OPML support by Dirk Clemens
+v1.7.2-mod on-the-fly feed generation by Fabian Wolf (info@f2w.de)
+v1.7.2-ppt ATOM 1.0 support by Mohammad Hafiz bin Ismail (mypapit@gmail.com)
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+****************************************************************************
+
+
+Changelog:
+
+v1.7.2	10-11-04
+	license changed to LGPL
+
+v1.7.1
+	fixed a syntax bug
+	fixed left over debug code
+
+v1.7	07-18-04
+	added HTML and JavaScript feeds (configurable via CSS) (thanks to Pascal Van Hecke)
+	added HTML descriptions for all feed formats (thanks to Pascal Van Hecke)
+	added a switch to select an external stylesheet (thanks to Pascal Van Hecke)
+	changed default content-type to application/xml
+	added character encoding setting
+	fixed numerous smaller bugs (thanks to S�en Fuhrmann of golem.de)
+	improved changing ATOM versions handling (thanks to August Trometer)
+	improved the UniversalFeedCreator's useCached method (thanks to S�en Fuhrmann of golem.de)
+	added charset output in HTTP headers (thanks to S�en Fuhrmann of golem.de)
+	added Slashdot namespace to RSS 1.0 (thanks to S�en Fuhrmann of golem.de)
+
+v1.6	05-10-04
+	added stylesheet to RSS 1.0 feeds
+	fixed generator comment (thanks Kevin L. Papendick and Tanguy Pruvot)
+	fixed RFC822 date bug (thanks Tanguy Pruvot)
+	added TimeZone customization for RFC8601 (thanks Tanguy Pruvot)
+	fixed Content-type could be empty (thanks Tanguy Pruvot)
+	fixed author/creator in RSS1.0 (thanks Tanguy Pruvot)
+
+v1.6 beta	02-28-04
+	added Atom 0.3 support (not all features, though)
+	improved OPML 1.0 support (hopefully - added more elements)
+	added support for arbitrary additional elements (use with caution)
+	code beautification :-)
+	considered beta due to some internal changes
+
+v1.5.1	01-27-04
+	fixed some RSS 1.0 glitches (thanks to St�hane Vanpoperynghe)
+	fixed some inconsistencies between documentation and code (thanks to Timothy Martin)
+
+v1.5	01-06-04
+	added support for OPML 1.0
+	added more documentation
+
+v1.4	11-11-03
+	optional feed saving and caching
+	improved documentation
+	minor improvements
+
+v1.3    10-02-03
+	renamed to FeedCreator, as it not only creates RSS anymore
+	added support for mbox
+	tentative support for echo/necho/atom/pie/???
+
+v1.2    07-20-03
+	intelligent auto-truncating of RSS 0.91 attributes
+	don't create some attributes when they're not set
+	documentation improved
+	fixed a real and a possible bug with date conversions
+	code cleanup
+
+v1.1    06-29-03
+	added images to feeds
+	now includes most RSS 0.91 attributes
+	added RSS 2.0 feeds
+
+v1.0    06-24-03
+	initial release
+
+
+
+***************************************************************************/
+
+/**************************************************************************
+*          A little setup                                                 *
+**************************************************************************/
+
+// your local timezone, set to "" to disable or for GMT
+define("TIME_ZONE","");
+
+
+
+
+/**
+ * Version string.
+ **/
+
+define("FEEDCREATOR_VERSION", "FeedCreator 1.8.0-dev");
+
+
+
+/**
+ * @package rss
+ * A FeedItem is a part of a FeedCreator feed.
+ *
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ * @since 1.3
+ */
+class FeedItem extends HtmlDescribable {
+	/**
+	 * Mandatory attributes of an item.
+	 */
+	var $title, $description, $link;
+
+	/**
+	 * Optional attributes of an item.
+	 */
+	var $author, $authorEmail, $authorURL,$image, $category, $categoryScheme, $comments, $guid, $source, $creator, $contributor;
+
+	/**
+	 * Publishing date of an item. May be in one of the following formats:
+	 *
+	 *	RFC 822:
+	 *	"Mon, 20 Jan 03 18:05:41 +0400"
+	 *	"20 Jan 03 18:05:41 +0000"
+	 *
+	 *	ISO 8601:
+	 *	"2003-01-20T18:05:41+04:00"
+	 *
+	 *	Unix:
+	 *	1043082341
+	 */
+	var $date;
+
+	/**
+	 * Add <enclosure> element tag RSS 2.0, supported by ATOM 1.0 too
+	 * modified by : Mohammad Hafiz bin Ismail (mypapit@gmail.com)
+	 *
+	 *
+	 * display :
+	 * <enclosure length="17691" url="http://something.com/picture.jpg" type="image/jpeg" />
+	 *
+	 */
+	var $enclosure;
+
+	/**
+	 * Any additional elements to include as an assiciated array. All $key => $value pairs
+	 * will be included unencoded in the feed item in the form
+	 *     <$key>$value</$key>
+	 * Again: No encoding will be used! This means you can invalidate or enhance the feed
+	 * if $value contains markup. This may be abused to embed tags not implemented by
+	 * the FeedCreator class used.
+	 */
+	var $additionalElements = Array();
+
+	// on hold
+	// var $source;
+}
+
+class EnclosureItem extends HtmlDescribable {
+	/*
+	*
+	* core variables
+	*
+	**/
+	var $url,$length,$type;
+
+	/*
+	*
+	* supported by ATOM 1.0 only
+	*
+	*/
+
+	var $language, $title;
+	/*
+	* For use with another extension like Yahoo mRSS
+	* Warning :
+	* These variables might not show up in
+	* later release / not finalize yet!
+	*
+	*
+	* var $width, $height, $title, $description, $keywords, $thumburl;
+	*/
+
+	var $additionalElements = Array();
+
+}
+
+
+/**
+ * @package rss
+ * An FeedImage may be added to a FeedCreator feed.
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ * @since 1.3
+ */
+class FeedImage extends HtmlDescribable {
+	/**
+	 * Mandatory attributes of an image.
+	 */
+	var $title, $url, $link;
+
+	/**
+	 * Optional attributes of an image.
+	 */
+	var $width, $height, $description;
+}
+
+
+
+/**
+ * @package rss
+ * An HtmlDescribable is an item within a feed that can have a description that may
+ * include HTML markup.
+ */
+class HtmlDescribable {
+	/**
+	 * Indicates whether the description field should be rendered in HTML.
+	 */
+	public $descriptionHtmlSyndicated;
+
+	/**
+	 * Indicates whether and to how many characters a description should be truncated.
+	 */
+	public $descriptionTruncSize;
+	public $description;
+
+	/**
+	 * Returns a formatted description field, depending on descriptionHtmlSyndicated and
+	 * $descriptionTruncSize properties
+	 * @return    string    the formatted description
+	 */
+	function getDescription() {
+		$descriptionField = new FeedHtmlField($this->description);
+		$descriptionField->syndicateHtml = $this->descriptionHtmlSyndicated;
+		$descriptionField->truncSize = $this->descriptionTruncSize;
+		return $descriptionField->output();
+	}
+
+}
+
+
+/**
+ * @package rss
+ * An FeedHtmlField describes and generates
+ * a feed, item or image html field (probably a description). Output is
+ * generated based on $truncSize, $syndicateHtml properties.
+ * @author Pascal Van Hecke <feedcreator.class.php@vanhecke.info>
+ * @version 1.6
+ */
+class FeedHtmlField {
+	/**
+	 * Mandatory attributes of a FeedHtmlField.
+	 */
+	var $rawFieldContent;
+
+	/**
+	 * Optional attributes of a FeedHtmlField.
+	 *
+	 */
+	var $truncSize, $syndicateHtml;
+
+	/**
+	 * Creates a new instance of FeedHtmlField.
+	 * @param  $string: if given, sets the rawFieldContent property
+	 */
+	function FeedHtmlField($parFieldContent) {
+		if ($parFieldContent) {
+			$this->rawFieldContent = $parFieldContent;
+		}
+	}
+
+
+	/**
+	 * Creates the right output, depending on $truncSize, $syndicateHtml properties.
+	 * @return string    the formatted field
+	 */
+	function output() {
+		// when field available and syndicated in html we assume
+		// - valid html in $rawFieldContent and we enclose in CDATA tags
+		// - no truncation (truncating risks producing invalid html)
+		if (!$this->rawFieldContent) {
+			$result = "";
+		}	elseif ($this->syndicateHtml) {
+			$result = "<![CDATA[".$this->rawFieldContent."]]>";
+		} else {
+			$result = ( $this->truncSize and is_int( $this->truncSize ) ) ? FeedCreator::iTrunc( htmlspecialchars( $this->rawFieldContent ), $this->truncSize ) : htmlspecialchars( $this->rawFieldContent );
+		}
+		return $result;
+	}
+
+}
+
+/**
+ * @package rss
+ * UniversalFeedCreator lets you choose during runtime which
+ * format to build.
+ * For general usage of a feed class, see the FeedCreator class
+ * below or the example above.
+ *
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class UniversalFeedCreator extends FeedCreator {
+	var $_feed;
+
+	function _setMIME() {
+		//switch (strtoupper($format)) {
+		header('Content-type: ' . $this->contentType .'; charset=' . $this->encoding, true);
+	}
+
+	function _setFormat($format) {
+		switch (strtoupper($format)) {
+
+			case "2.0":
+			case "RSS": //added 8 Jan 2007
+				// fall through
+			case "RSS2.0":
+				$this->_feed = new RSSCreator20();
+				break;
+
+			case "1.0":
+				// fall through
+			case "RSS1.0":
+				$this->_feed = new RSSCreator10();
+				break;
+
+			case "0.91":
+
+				// fall through
+			case "RSS0.91":
+				$this->_feed = new RSSCreator091();
+				break;
+
+			case "MBOX":
+				$this->_feed = new MBOXCreator();
+				break;
+
+			case "OPML":
+				$this->_feed = new OPMLCreator();
+				break;
+
+			case "ATOM":
+				// fall through: always the latest ATOM version
+			case "ATOM1.0":
+				$this->_feed = new AtomCreator10();
+				break;
+
+
+			case "ATOM0.3":
+				$this->_feed = new AtomCreator03();
+				break;
+
+			case "HTML":
+				$this->_feed = new HTMLCreator();
+				break;
+
+			case "JS":
+				// fall through
+			case "JAVASCRIPT":
+				$this->_feed = new JSCreator();
+				break;
+
+			default:
+				$this->_feed = new RSSCreator091();
+				break;
+		}
+
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			// prevent overwriting of properties "contentType", "encoding"; do not copy "_feed" itself
+			if (!in_array($key, array("_feed", "contentType", "encoding"))) {
+				$this->_feed->{$key} = $this->{$key};
+			}
+		}
+	}
+
+	/**
+	 * Creates a syndication feed based on the items previously added.
+	 *
+	 * @see        FeedCreator::addItem()
+	 * @param    string    format    format the feed should comply to. Valid values are:
+	 *			"PIE0.1", "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3", "HTML", "JS"
+	 * @return    string    the contents of the feed.
+	 */
+	function createFeed($format = "RSS0.91") {
+		$this->_setFormat($format);
+		return $this->_feed->createFeed();
+	}
+
+
+
+	/**
+	 * Saves this feed as a file on the local disk. After the file is saved, an HTTP redirect
+	 * header may be sent to redirect the use to the newly created file.
+	 * @since 1.4
+	 *
+	 * @param	string	format	format the feed should comply to. Valid values are:
+	 *			"PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM", "ATOM0.3", "HTML", "JS"
+	 * @param	string	filename	optional	the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+	 * @param	boolean	displayContents	optional	send the content of the file or not. If true, the file will be sent in the body of the response.
+	 */
+	function saveFeed($format="RSS0.91", $filename="", $displayContents=true) {
+		$this->_setFormat($format);
+		$this->_feed->saveFeed($filename, $displayContents);
+	}
+
+
+   /**
+    * Turns on caching and checks if there is a recent version of this feed in the cache.
+    * If there is, an HTTP redirect header is sent.
+    * To effectively use caching, you should create the FeedCreator object and call this method
+    * before anything else, especially before you do the time consuming task to build the feed
+    * (web fetching, for example).
+    *
+    * @param string   format   format the feed should comply to. Valid values are:
+    *       "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
+    * @param string filename optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+    * @param int timeout optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
+    */
+   function useCached($format="RSS0.91", $filename="", $timeout=3600) {
+      $this->_setFormat($format);
+      $this->_feed->useCached($filename, $timeout);
+   }
+
+
+   /**
+	* Outputs feed to the browser - needed for on-the-fly feed generation (like it is done in WordPress, etc.)
+	*
+	* @param	string	format the feed should comply to. Valid values are:
+    * 							"PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
+	*/
+   function outputFeed($format='RSS0.91') {
+		$this->_setFormat($format);
+		$this->_setMIME($format);
+		$this->_feed->outputFeed();
+   }
+
+
+}
+
+
+/**
+ * @package rss
+ * FeedCreator is the abstract base implementation for concrete
+ * implementations that implement a specific format of syndication.
+ *
+ * @abstract
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ * @since 1.4
+ */
+class FeedCreator extends HtmlDescribable {
+
+	/**
+	 * Mandatory attributes of a feed.
+	 */
+	public $title, $description, $link;
+
+
+	/**
+	 * Optional attributes of a feed.
+	 */
+	public $syndicationURL, $image, $language, $copyright, $pubDate, $lastBuildDate, $editor, $editorEmail, $webmaster, $category, $docs, $ttl, $rating, $skipHours, $skipDays;
+
+	/**
+	* The url of the external xsl stylesheet used to format the naked rss feed.
+	* Ignored in the output when empty.
+	*/
+	public	$xslStyleSheet = "";
+
+	/**
+	* The url of the external css stylesheet used to format the naked syndication feed.
+	* Ignored in the output when empty.
+		*/
+	public $cssStyleSheet = '';
+
+
+	/**
+	 * @access private
+	 */
+	var $items = [];
+
+
+	/**
+	 * This feed's MIME content type.
+	 * @since 1.4
+	 * @access private
+	 */
+	var $contentType = "application/xml";
+
+
+	/**
+	 * This feed's character encoding.
+	 * @since 1.6.1
+	 *
+	 * var $encoding = "ISO-8859-1"; //original :p
+	 */
+	var $encoding = "utf-8";
+
+	/*
+	 * Generator string
+	 *
+	 */
+
+	 var $generator = "info@mypapit.net";
+
+
+	/**
+	 * Any additional elements to include as an assiciated array. All $key => $value pairs
+	 * will be included unencoded in the feed in the form
+	 *     <$key>$value</$key>
+	 * Again: No encoding will be used! This means you can invalidate or enhance the feed
+	 * if $value contains markup. This may be abused to embed tags not implemented by
+	 * the FeedCreator class used.
+	 */
+	var $additionalElements = [];
+
+
+	/**
+	 * Adds an FeedItem to the feed.
+	 *
+	 * @param object FeedItem $item The FeedItem to add to the feed.
+	 * @access public
+	 */
+	function addItem($item) {
+		$this->items[] = $item;
+	}
+
+	/**
+	 *
+	 *
+	 *
+	 **/
+	 function version() {
+
+	 	return FEEDCREATOR_VERSION." (".$this->generator.")";
+	 }
+
+	/**
+	 * Truncates a string to a certain length at the most sensible point.
+	 * First, if there's a '.' character near the end of the string, the string is truncated after this character.
+	 * If there is no '.', the string is truncated after the last ' ' character.
+	 * If the string is truncated, " ..." is appended.
+	 * If the string is already shorter than $length, it is returned unchanged.
+	 *
+	 * @static
+	 * @param string    string A string to be truncated.
+	 * @param int        length the maximum length the string should be truncated to
+	 * @return string    the truncated string
+	 */
+	public static function iTrunc($string, $length) {
+		if (strlen($string)<=$length) {
+			return $string;
+		}
+
+		$pos = strrpos($string,".");
+		if ($pos>=$length-4) {
+			$string = substr($string,0,$length-4);
+			$pos = strrpos($string,".");
+		}
+		if ($pos>=$length*0.4) {
+			return substr($string,0,$pos+1)." ...";
+		}
+
+		$pos = strrpos($string," ");
+		if ($pos>=$length-4) {
+			$string = substr($string,0,$length-4);
+			$pos = strrpos($string," ");
+		}
+		if ($pos>=$length*0.4) {
+			return substr($string,0,$pos)." ...";
+		}
+
+		return substr($string,0,$length-4)." ...";
+
+	}
+
+
+	/**
+	 * Creates a comment indicating the generator of this feed.
+	 * The format of this comment seems to be recognized by
+	 * Syndic8.com.
+	 */
+	function _createGeneratorComment() {
+		return "<!-- generator=\"".$this->version()."\" -->\n";
+	}
+
+	/**
+	 * Creates a string containing all additional elements specified in
+	 * $additionalElements.
+	 * @param	array	elements an associative array containing key => value pairs
+	 * @param 	string	indentString	a string that will be inserted before every generated line
+	 * @return	string	the XML tags corresponding to $additionalElements
+	 */
+	function _createAdditionalElements($elements, $indentString="") {
+		$ae = "";
+		if (is_array( $elements )) {
+			foreach ( $elements as $key => $value ) {
+				$ae .= $indentString . "<$key>$value</$key>\n";
+			}
+		}
+		return $ae;
+	}
+
+	function _createStylesheetReferences() {
+		$xml = "";
+		if ($this->cssStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->cssStyleSheet."\" type=\"text/css\"?>\n";
+		if ($this->xslStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->xslStyleSheet."\" type=\"text/xsl\"?>\n";
+		return $xml;
+	}
+
+	/**
+	 * Builds the feed's text.
+	 * @abstract
+	 * @return string|void    the feed's complete text
+	 */
+	function createFeed() {
+	}
+
+	/**
+	 * Generate a filename for the feed cache file. The result will be $_SERVER["SCRIPT_NAME"] with the extension changed to .xml.
+	 * For example:
+	 *
+	 * echo $_SERVER["PHP_SELF"]."\n";
+	 * echo FeedCreator::_generateFilename();
+	 *
+	 * would produce:
+	 *
+	 * /rss/latestnews.php
+	 * latestnews.xml
+	 *
+	 * @return string the feed cache filename
+	 * @since 1.4
+	 * @access private
+	 */
+	function _generateFilename() {
+		$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+		return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".xml";
+	}
+
+	/**
+	 * @since 1.4
+	 * @access private
+	 */
+	function _redirect($filename) {
+		// attention, heavily-commented-out-area
+
+		// maybe use this in addition to file time checking
+		//Header("Expires: ".date("r",time()+$this->_timeout));
+
+		/* no caching at all, doesn't seem to work as good:
+		Header("Cache-Control: no-cache");
+		Header("Pragma: no-cache");
+		*/
+
+		// HTTP redirect, some feed readers' simple HTTP implementations don't follow it
+		//Header("Location: ".$filename);
+
+		// {{{ BITMOD
+		//Header("Content-Type: ".$this->contentType."; charset=".$this->encoding."; filename=".basename($filename));
+		Header( "Content-Type: " . $this->contentType . "; charset=" . $this->encoding . ";" );
+		// BITMOD }}}
+		Header("Content-Disposition: inline; filename=".basename($filename));
+		readfile($filename, "r");
+		die();
+	}
+
+	/**
+	 * Turns on caching and checks if there is a recent version of this feed in the cache.
+	 * If there is, an HTTP redirect header is sent.
+	 * To effectively use caching, you should create the FeedCreator object and call this method
+	 * before anything else, especially before you do the time consuming task to build the feed
+	 * (web fetching, for example).
+	 * @since 1.4
+	 * @param string	filename	optional	the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+	 * @param int		timeout	optional	the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
+	 */
+	function useCached($filename="", $timeout=3600) {
+		$this->_timeout = $timeout;
+		if ($filename == "") {
+			$filename = $this->_generateFilename();
+		}
+		if (file_exists( $filename ) AND ( time() - filemtime( $filename ) < $timeout )) {
+			$this->_redirect( $filename );
+		}
+	}
+
+	/**
+	 * Saves this feed as a file on the local disk. After the file is saved, a redirect
+	 * header may be sent to redirect the user to the newly created file.
+	 * @since 1.4
+	 *
+	 * @param	string	filename	optional	the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+	 * @param	boolean	redirect	optional	send an HTTP redirect header or not. If true, the user will be automatically redirected to the created file.
+	 */
+	function saveFeed($filename="", $displayContents=true) {
+		if ($filename=="") {
+			$filename = $this->_generateFilename();
+		}
+		if (!is_dir( dirname( $filename ) )) {
+			KernelTools::mkdir_p( dirname( $filename ) );
+		}
+		$feedFile = fopen( $filename, "w+" );
+		if ($feedFile) {
+			fputs( $feedFile, $this->createFeed() );
+			fclose( $feedFile );
+			if ($displayContents) {
+				$this->_redirect( $filename );
+			}
+		} else {
+			echo "<br /><b>Error creating feed file, please check write permissions.</b><br />";
+		}
+	}
+
+	/**
+	 * Outputs this feed directly to the browser - for on-the-fly feed generation
+	 * @since 1.7.2-mod
+	 *
+	 * still missing: proper header output - currently you have to add it manually
+	 */
+	function outputFeed() {
+		echo $this->createFeed();
+	}
+
+	function setEncoding($encoding="utf-8") {
+		$this->encoding = "utf-8";
+
+	}
+
+	/**
+		 * Creates a string containing all additional namespace specified
+		 */
+
+	function addNamespace($ns,$uri)
+	{
+		$array = array_combine(array($ns),array($uri));
+		$this->namespace = array_merge($array,$this->namespace);
+	}
+
+	function _createNamespace() {
+			$ns = "";
+
+			if (is_array($this->namespace)) {
+				foreach($this->namespace AS $key => $value) {
+					$ns.= " xmlns:$key=\"$value\"";
+				}
+			}
+			return $ns;
+	}
+
+
+
+	/**
+	*
+	* Additional namespace for custom modules and tags
+	*
+	* $key=>$value pair will match namespace xmlns:$key="$value" in tags
+	* EXPERIMENTAL!
+	*
+	*/
+	var $namespace = Array();
+
+
+}
+
+/**
+ * @package rss
+ * FeedDate is an internal class that stores a date for a feed or feed item.
+ * Usually, you won't need to use this.
+ */
+class FeedDate {
+	var $unix;
+
+	/**
+	 * Creates a new instance of FeedDate representing a given date.
+	 * Accepts RFC 822, ISO 8601 date formats as well as unix time stamps.
+	 * @param mixed $dateString optional the date this FeedDate will represent. If not specified, the current date and time is used.
+	 */
+	function FeedDate($dateString="") {
+		if ($dateString=="") $dateString = date("r");
+
+		if (is_numeric($dateString)) {
+			$this->unix = $dateString;
+			return;
+		}
+		if (preg_match( "~(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s+)?(\\d{1,2})\\s+([a-zA-Z][3])\\s+(\\d{4})\\s+(\\d[2]):(\\d[2]):(\\d[2])\\s+(.*)~", $dateString, $matches )) {
+			$months = [ "Jan" => 1, "Feb" => 2, "Mar" => 3, "Apr" => 4, "May" => 5, "Jun" => 6, "Jul" => 7, "Aug" => 8, "Sep" => 9, "Oct" => 10, "Nov" => 11, "Dec" => 12 ];
+			$this->unix = mktime( $matches[4], $matches[5], $matches[6], $months[$matches[2]], $matches[1], $matches[3] );
+			if (substr( $matches[7], 0, 1 ) == '+' OR substr( $matches[7], 0, 1 ) == '-') {
+				$tzOffset = ( substr( $matches[7], 0, 3 ) * 60 + substr( $matches[7], -2 ) ) * 60;
+			} else {
+				if (strlen( $matches[7] ) == 1) {
+					$oneHour = 3600;
+					$ord = ord( $matches[7] );
+					if ($ord < ord( "M" )) {
+						$tzOffset = ( ord( "A" ) - $ord - 1 ) * $oneHour;
+					} elseif ($ord >= ord("M") AND $matches[7]!="Z") {
+						$tzOffset = ($ord - ord("M")) * $oneHour;
+					} elseif ($matches[7]=="Z") {
+						$tzOffset = 0;
+					}
+				}
+				switch ($matches[7]) {
+					case "UT":
+					case "GMT":
+						$tzOffset = 0;
+				}
+			}
+			$this->unix += $tzOffset;
+			return;
+		}
+		if (preg_match( "~(\\d[4])-(\\d[2])-(\\d[2])T(\\d[2]):(\\d[2]):(\\d[2])(.*)~", $dateString, $matches )) {
+			$this->unix = mktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
+			if (substr( $matches[7], 0, 1 ) == '+' OR substr( $matches[7], 0, 1 ) == '-') {
+				$tzOffset = ( substr( $matches[7], 0, 3 ) * 60 + substr( $matches[7], -2 ) ) * 60;
+			} else {
+				if ($matches[7] == "Z") {
+					$tzOffset = 0;
+				}
+			}
+			$this->unix += $tzOffset;
+			return;
+		}
+		$this->unix = 0;
+	}
+
+	/**
+	 * Gets the date stored in this FeedDate as an RFC 822 date.
+	 *
+	 * @return string a date in RFC 822 format
+	 */
+	function rfc822() {
+		//return gmdate("r",$this->unix);
+		$date = gmdate("D, d M Y H:i:s", $this->unix);
+
+		if (TIME_ZONE!="") {
+			$date .= " ".str_replace(":","",TIME_ZONE);
+		} else {
+			$date .= " ".str_replace(":","","GMT");
+		}
+		return $date;
+	}
+
+	/**
+	 * Gets the date stored in this FeedDate as an ISO 8601 date.
+	 *
+	 * @return string a date in ISO 8601 format
+	 */
+	function iso8601() {
+		$date = gmdate("Y-m-d\TH:i:sO",$this->unix);
+		$date = substr($date,0,22) . ':' . substr($date,-2);
+		if (TIME_ZONE!="") $date = str_replace("+00:00",TIME_ZONE,$date);
+		return $date;
+	}
+
+	/**
+	 * Gets the date stored in this FeedDate as unix time stamp.
+	 *
+	 * @return string a date as a unix time stamp
+	 */
+	function unix() {
+		return $this->unix;
+	}
+
+}
+
+/**
+ * @package rss
+ * RSSCreator10 is a FeedCreator that implements RDF Site Summary (RSS) 1.0.
+ *
+ * @see http://www.purl.org/rss/1.0/
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator10 extends FeedCreator {
+
+	/**
+	 * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
+	 * The feed will contain all items previously added in the same order.
+	 * @return    string    the feed's complete text
+	 */
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createGeneratorComment();
+		if ($this->cssStyleSheet=="") {
+			$cssStyleSheet = "http://www.w3.org/2000/08/w3c-synd/style.css";
+		}
+		$feed.= $this->_createStylesheetReferences();
+		$feed.= "<rdf:RDF\n";
+		$feed.= "    xmlns=\"http://purl.org/rss/1.0/\"\n";
+		$feed.= "    xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
+		$feed.= "    xmlns:slash=\"http://purl.org/rss/1.0/modules/slash/\"\n";
+		$feed.= "    xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n";
+		$feed.= "    <channel rdf:about=\"".$this->syndicationURL."\">\n";
+		$feed.= "        <title>".htmlspecialchars($this->title)."</title>\n";
+		$feed.= "        <description>".htmlspecialchars($this->description)."</description>\n";
+		$feed.= "        <link>".$this->link."</link>\n";
+		if ($this->image!=null) {
+			$feed.= "        <image rdf:resource=\"".$this->image->url."\" />\n";
+		}
+		$now = new FeedDate();
+		$feed .= "       <dc:date>" . htmlspecialchars( $now->iso8601() ) . "</dc:date>\n";
+		$feed .= "        <items>\n";
+		$feed .= "            <rdf:Seq>\n";
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$feed .= "                <rdf:li rdf:resource=\"" . htmlspecialchars( $this->items[$i]->link ) . "\"/>\n";
+		}
+		$feed .= "            </rdf:Seq>\n";
+		$feed .= "        </items>\n";
+		$feed .= "    </channel>\n";
+		if ($this->image != null) {
+			$feed .= "    <image rdf:about=\"" . $this->image->url . "\">\n";
+			$feed .= "        <title>" . $this->image->title . "</title>\n";
+			$feed .= "        <link>" . $this->image->link . "</link>\n";
+			$feed .= "        <url>" . $this->image->url . "</url>\n";
+			$feed .= "    </image>\n";
+		}
+		$feed .= $this->_createAdditionalElements( $this->additionalElements, "    " );
+
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$feed .= "    <item rdf:about=\"" . htmlspecialchars( $this->items[$i]->link ) . "\">\n";
+			//$feed.= "        <dc:type>Posting</dc:type>\n";
+			$feed .= "        <dc:format>text/html</dc:format>\n";
+			if ($this->items[$i]->date != null) {
+				$itemDate = new FeedDate( $this->items[$i]->date );
+				$feed .= "        <dc:date>" . htmlspecialchars( $itemDate->iso8601() ) . "</dc:date>\n";
+			}
+			if ($this->items[$i]->source != "") {
+				$feed .= "        <dc:source>" . htmlspecialchars( $this->items[$i]->source ) . "</dc:source>\n";
+			}
+			if ($this->items[$i]->author != "") {
+				$feed .= "        <dc:creator>" . htmlspecialchars( $this->items[$i]->author ) . "</dc:creator>\n";
+			}
+			$feed.= "        <title>".htmlspecialchars(strip_tags(strtr($this->items[$i]->title,"\n\r","  ")))."</title>\n";
+			$feed.= "        <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
+			$feed.= "        <description>".htmlspecialchars($this->items[$i]->description)."</description>\n";
+			$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, "        ");
+			$feed.= "    </item>\n";
+		}
+		$feed .= "</rdf:RDF>\n";
+		return $feed;
+	}
+
+}
+
+/**
+ * @package rss
+ * RSSCreator091 is a FeedCreator that implements RSS 0.91 Spec, revision 3.
+ *
+ * @see http://my.netscape.com/publish/formats/rss-spec-0.91.html
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator091 extends FeedCreator {
+
+	/**
+	 * Stores this RSS feed's version number.
+	 * @access private
+	 */
+	var $RSSVersion;
+	var $itunes;
+	var $_timeout;
+
+	function addNamespace($ns,$uri) {
+		parent::addNamespace($ns,$uri);
+	}
+
+	function RSSCreator091() {
+		$this->_setRSSVersion("0.91");
+		$this->contentType = "application/rss+xml";
+	}
+
+	/**
+	 * Sets this RSS feed's version number.
+	 * @access private
+	 */
+	function _setRSSVersion($version) {
+		$this->RSSVersion = $version;
+	}
+
+	/**
+	 * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
+	 * The feed will contain all items previously added in the same order.
+	 * @return    string    the feed's complete text
+	 */
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createGeneratorComment();
+		$feed.= $this->_createStylesheetReferences();
+		if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+			$feed.= "<rss version=\"".$this->RSSVersion."\" ". $this->_createNamespace(). ">\n";
+		} else {
+			$feed.= "<rss version=\"".$this->RSSVersion."\"";
+		}
+		// handler references for our rss tag
+		if (isset( $this->media )) {
+			$feed .= " xmlns:media=\"http://search.yahoo.com/mrss/\"";
+		}
+		if (isset( $this->itunes )) {
+			$feed .= " xmlns:itunes=\"http://www.itunes.com/dtds/podcast-1.0.dtd\"";
+		}
+		// we're done with our rss tag
+		$feed .= ">\n";
+		$feed .= "    <channel>\n";
+		$feed .= "        <title>" . FeedCreator::iTrunc( htmlspecialchars( $this->title ), 100 ) . "</title>\n";
+		$this->descriptionTruncSize = 500;
+		$feed .= "        <description>" . $this->getDescription() . "</description>\n";
+		$feed .= "        <link>" . $this->link . "</link>\n";
+		$now = new FeedDate();
+		$feed .= "        <lastBuildDate>" . htmlspecialchars( $now->rfc822() ) . "</lastBuildDate>\n";
+		$feed.= "        <generator>". $this->version()."</generator>\n";
+
+		if ($this->image != null) {
+			$feed .= "        <image>\n";
+			$feed .= "            <url>" . $this->image->url . "</url>\n";
+			$feed .= "            <title>" . FeedCreator::iTrunc( htmlspecialchars( $this->image->title ), 100 ) . "</title>\n";
+			$feed .= "            <link>" . $this->image->link . "</link>\n";
+			if ($this->image->width != "") {
+				$feed .= "            <width>" . $this->image->width . "</width>\n";
+			}
+			if ($this->image->height != "") {
+				$feed .= "            <height>" . $this->image->height . "</height>\n";
+			}
+			if ($this->image->description != "") {
+				$feed .= "            <description>" . $this->image->getDescription() . "</description>\n";
+			}
+			$feed .= "        </image>\n";
+		}
+		if ($this->language != "") {
+			$feed .= "        <language>" . $this->language . "</language>\n";
+		}
+		if ($this->copyright != "") {
+			$feed .= "        <copyright>" . FeedCreator::iTrunc( htmlspecialchars( $this->copyright ), 100 ) . "</copyright>\n";
+		}
+		if ($this->editor != "") {
+			$feed .= "        <managingEditor>" . FeedCreator::iTrunc( htmlspecialchars( $this->editor ), 100 ) . "</managingEditor>\n";
+		}
+		if ($this->webmaster != "") {
+			$feed .= "        <webMaster>" . FeedCreator::iTrunc( htmlspecialchars( $this->webmaster ), 100 ) . "</webMaster>\n";
+		}
+		if ($this->pubDate != "") {
+			$pubDate = new FeedDate( $this->pubDate );
+			$feed .= "        <pubDate>" . htmlspecialchars( $pubDate->rfc822() ) . "</pubDate>\n";
+		}
+		if ($this->category != "") {
+			$feed .= "        <category>" . htmlspecialchars( $this->category ) . "</category>\n";
+		}
+		if ($this->docs != "") {
+			$feed .= "        <docs>" . FeedCreator::iTrunc( htmlspecialchars( $this->docs ), 500 ) . "</docs>\n";
+		}
+		if ($this->ttl != "") {
+			$feed .= "        <ttl>" . htmlspecialchars( $this->ttl ) . "</ttl>\n";
+		}
+		if ($this->rating != "") {
+			$feed .= "        <rating>" . FeedCreator::iTrunc( htmlspecialchars( $this->rating ), 500 ) . "</rating>\n";
+		}
+		if ($this->skipHours != "") {
+			$feed .= "        <skipHours>" . htmlspecialchars( $this->skipHours ) . "</skipHours>\n";
+		}
+		if ($this->skipDays != "") {
+			$feed .= "        <skipDays>" . htmlspecialchars( $this->skipDays ) . "</skipDays>\n";
+		}
+		if (isset( $this->media ) && is_array( $this->media )) {
+			if (isset( $this->media['thumbnail'] )) {
+				$feed .= "        <media:thumbnail url='" . $this->media['thumbnail'] . "'/>\n";
+			}
+		}
+		if (isset( $this->itunes ) && is_array( $this->itunes )) {
+			if (isset( $this->itunes['thumbnail'] )) {
+				$feed .= "        <itunes:image href='" . $this->itunes['thumbnail'] . "'/>\n";
+			}
+			// itunes expects an explicit setting. we default to no because we're not into this facist crap, but if you need to set it to yes you can.
+			$itunesExplicit = isset( $this->itunes['explicit'] ) ? $this->itunes['explicit'] : "no";
+			$feed .= "        <itunes:explicit>" . $itunesExplicit . "</itunes:explicit>\n";
+		}
+
+		if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+			$feed.= $this->_createAdditionalElements($this->additionalElements, "    ");
+		}
+
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$feed .= "        <item>\n";
+			$feed .= "            <title>" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . "</title>\n";
+			$feed .= "            <link>" . htmlspecialchars( $this->items[$i]->link ) . "</link>\n";
+			$feed .= "            <description>" . $this->items[$i]->getDescription() . "</description>\n";
+
+			if ($this->items[$i]->author!="") {
+				if ($this->items[$i]->authorEmail!="") {
+					$feed.= "            <author> " . htmlspecialchars($this->items[$i]->authorEmail) . " (".htmlspecialchars($this->items[$i]->author).")</author>\n";
+				} else {
+				      $feed.= "            <author> no_email@example.com (".htmlspecialchars($this->items[$i]->author).")</author>\n";
+				}
+			}
+			/*
+			// on hold
+			if ($this->items[$i]->source!="") {
+					$feed.= "            <source>".htmlspecialchars($this->items[$i]->source)."</source>\n";
+			}
+			*/
+			if ($this->items[$i]->category!="") {
+				$feed.= "            <category ";
+
+				if (!empty($this->items[$i]->categoryScheme)) {
+
+					$feed.=" domain=\"". htmlspecialchars($this->items[$i]->categoryScheme)."\"";
+				}
+				$feed.=">".htmlspecialchars($this->items[$i]->category)."</category>\n";
+			}
+			if ($this->items[$i]->comments != "") {
+				$feed .= "            <comments>" . htmlspecialchars( $this->items[$i]->comments ) . "</comments>\n";
+			}
+			if ($this->items[$i]->date != "") {
+				$itemDate = new FeedDate( $this->items[$i]->date );
+				$feed .= "            <pubDate>" . htmlspecialchars( $itemDate->rfc822() ) . "</pubDate>\n";
+			}
+
+
+			if ($this->items[$i]->guid!="") {
+				$feed.= "            <guid isPermaLink=\"false\">".htmlspecialchars($this->items[$i]->guid)."</guid>\n";
+			} else {
+			$feed.= "            <guid isPermaLink=\"false\">".htmlspecialchars($this->items[$i]->link)."</guid>\n";
+
+			}
+
+			if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+				$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, "        ");
+			}
+
+			if ($this->RSSVersion == "2.0" && $this->items[$i]->enclosure != NULL)
+			{
+				$feed.= "            <enclosure url=\"";
+				$feed.= $this->items[$i]->enclosure->url;
+				$feed.= "\" length=\"";
+				$feed.= $this->items[$i]->enclosure->length;
+				$feed.= "\" type=\"";
+				$feed.= $this->items[$i]->enclosure->type;
+				$feed.= "\"/>\n";
+		        }
+
+
+
+			$feed.= "        </item>\n";
+		}
+		$feed .= "    </channel>\n";
+		$feed .= "</rss>\n";
+		return $feed;
+	}
+
+}
+
+/**
+ * @package rss
+ * RSSCreator20 is a FeedCreator that implements RDF Site Summary (RSS) 2.0.
+ *
+ * @see http://backend.userland.com/rss
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator20 extends RSSCreator091 {
+
+    function RSSCreator20() {
+        parent::_setRSSVersion("2.0");
+    }
+
+}
+
+/**
+ * @package rss
+ * PIECreator01 is a FeedCreator that implements the emerging PIE specification,
+ * as in http://intertwingly.net/wiki/pie/Syntax.
+ *
+ * @deprecated
+ * @since 1.3
+ * @author Scott Reynen <scott@randomchaos.com> and Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class PIECreator01 extends FeedCreator {
+
+	function PIECreator01() {
+		$this->encoding = "utf-8";
+	}
+
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createStylesheetReferences();
+		$feed.= "<feed version=\"0.1\" xmlns=\"http://example.com/newformat#\">\n";
+		$feed.= "    <title>".FeedCreator::iTrunc(htmlspecialchars($this->title),100)."</title>\n";
+		$this->truncSize = 500;
+		$feed .= "    <subtitle>" . $this->getDescription() . "</subtitle>\n";
+		$feed .= "    <link>" . $this->link . "</link>\n";
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$feed .= "    <entry>\n";
+			$feed .= "        <title>" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . "</title>\n";
+			$feed .= "        <link>" . htmlspecialchars( $this->items[$i]->link ) . "</link>\n";
+			$itemDate = new FeedDate( $this->items[$i]->date );
+			$feed .= "        <created>" . htmlspecialchars( $itemDate->iso8601() ) . "</created>\n";
+			$feed .= "        <issued>" . htmlspecialchars( $itemDate->iso8601() ) . "</issued>\n";
+			$feed .= "        <modified>" . htmlspecialchars( $itemDate->iso8601() ) . "</modified>\n";
+			$feed .= "        <id>" . htmlspecialchars( $this->items[$i]->guid ) . "</id>\n";
+			if ($this->items[$i]->author != "") {
+				$feed .= "        <author>\n";
+				$feed .= "            <name>" . htmlspecialchars( $this->items[$i]->author ) . "</name>\n";
+				if ($this->items[$i]->authorEmail != "") {
+					$feed .= "            <email>" . $this->items[$i]->authorEmail . "</email>\n";
+				}
+				$feed .= "        </author>\n";
+			}
+			$feed .= "        <content type=\"text/html\" xml:lang=\"en-us\">\n";
+			$feed .= "            <div xmlns=\"http://www.w3.org/1999/xhtml\">" . $this->items[$i]->getDescription() . "</div>\n";
+			$feed .= "        </content>\n";
+			$feed .= "    </entry>\n";
+		}
+		$feed .= "</feed>\n";
+		return $feed;
+	}
+}
+
+/**
+ * AtomCreator10 is a FeedCreator that implements the atom specification,
+ * as in http://www.atomenabled.org/developers/syndication/atom-format-spec.php
+ * Please note that just by using AtomCreator10 you won't automatically
+ * produce valid atom files. For example, you have to specify either an editor
+ * for the feed or an author for every single feed item.
+ *
+ * Some elements have not been implemented yet. These are (incomplete list):
+ * author URL, item author's email and URL, item contents, alternate links,
+ * other link content types than text/html. Some of them may be created with
+ * AtomCreator10::additionalElements.
+ *
+ * @see FeedCreator#additionalElements
+ * @since 1.7.2-mod (modified)
+ * @author Mohammad Hafiz Ismail (mypapit@gmail.com)
+ */
+ class AtomCreator10 extends FeedCreator {
+
+	function AtomCreator10() {
+		$this->contentType = "application/atom+xml";
+		$this->encoding = "utf-8";
+
+	}
+
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createGeneratorComment();
+		$feed.= $this->_createStylesheetReferences();
+		$feed.= "<feed xmlns=\"http://www.w3.org/2005/Atom\"";
+		if ($this->language!="") {
+			$feed.= " xml:lang=\"".$this->language."\"";
+		}
+		$feed.= ">\n";
+		$feed.= "    <title>".htmlspecialchars($this->title)."</title>\n";
+		$feed.= "    <subtitle>".htmlspecialchars($this->description)."</subtitle>\n";
+		$feed.= "    <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
+		$feed.= "    <id>".htmlspecialchars($this->link)."</id>\n";
+		$now = new FeedDate();
+		$feed.= "    <updated>".htmlspecialchars($now->iso8601())."</updated>\n";
+		if ($this->editor!="") {
+			$feed.= "    <author>\n";
+			$feed.= "        <name>".$this->editor."</name>\n";
+			if ($this->editorEmail!="") {
+				$feed.= "        <email>".$this->editorEmail."</email>\n";
+			}
+			$feed.= "    </author>\n";
+		}
+		if ($this->category!="") {
+
+
+					$feed.= "    <category term=\"" . htmlspecialchars($this->category) . "\" />\n";
+		}
+		if ($this->copyright!="") {
+					$feed.= "    <rights>".FeedCreator::iTrunc(htmlspecialchars($this->copyright),100)."</rights>\n";
+		}
+		$feed.= "    <generator>".$this->version()."</generator>\n";
+
+
+		$feed.= "    <link rel=\"self\" type=\"application/atom+xml\" href=\"". htmlspecialchars($this->syndicationURL). "\" />\n";
+		$feed.= $this->_createAdditionalElements($this->additionalElements, "    ");
+		for ($i=0;$i<count($this->items);$i++) {
+			$feed.= "    <entry>\n";
+			$feed.= "        <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
+			$feed.= "        <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
+			if ($this->items[$i]->date=="") {
+				$this->items[$i]->date = time();
+			}
+			$itemDate = new FeedDate($this->items[$i]->date);
+			$feed.= "        <published>".htmlspecialchars($itemDate->iso8601())."</published>\n";
+			$feed.= "        <updated>".htmlspecialchars($itemDate->iso8601())."</updated>\n";
+
+
+			$tempguid = $this->items[$i]->link;
+			if ($this->items[$i]->guid!="") {
+				$tempguid = $this->items[$i]->guid;
+			}
+
+			$feed.= "        <id>". htmlspecialchars($tempguid)."</id>\n";
+			$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, "        ");
+			if ($this->items[$i]->author!="") {
+				$feed.= "        <author>\n";
+				$feed.= "            <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
+				if ($this->items[$i]->authorEmail!="") {
+				$feed.= "            <email>".htmlspecialchars($this->items[$i]->authorEmail)."</email>\n";
+				}
+
+				if ($this->items[$i]->authorURL!="") {
+								$feed.= "            <uri>".htmlspecialchars($this->items[$i]->authorURL)."</uri>\n";
+				}
+
+				$feed.= "        </author>\n";
+			}
+
+			if ($this->items[$i]->category!="") {
+				$feed.= "        <category ";
+
+				if ($this->items[$i]->categoryScheme!="") {
+				   $feed.=" scheme=\"".htmlspecialchars($this->items[$i]->categoryScheme)."\" ";
+				}
+
+				$feed.=" term=\"" . htmlspecialchars($this->items[$i]->category) . "\" />\n";
+			}
+
+			if ($this->items[$i]->description!="") {
+
+
+			/*
+			 * ATOM should have at least summary tag, however this implementation may be inaccurate
+			 */
+			 	$tempdesc = $this->items[$i]->getDescription();
+			 	$temptype="";
+
+
+				if ($this->items[$i]->descriptionHtmlSyndicated){
+					$temptype=" type=\"html\"";
+					$tempdesc = $this->items[$i]->getDescription();
+
+				}
+
+				if (empty($this->items[$i]->descriptionTruncSize)) {
+					$feed.= "        <content". $temptype . ">". $tempdesc ."</content>\n";
+				}
+
+
+				$feed.= "        <summary". $temptype . ">". $tempdesc ."</summary>\n";
+			} else {
+
+				$feed.= "	 <summary>no summary</summary>\n";
+
+			}
+
+			if ($this->items[$i]->enclosure != NULL) {
+				$feed.="        <link rel=\"enclosure\" href=\"". $this->items[$i]->enclosure->url ."\" type=\"". $this->items[$i]->enclosure->type."\"  length=\"". $this->items[$i]->enclosure->length ."\"";
+
+				if ($this->items[$i]->enclosure->language != ""){
+					 $feed .=" xml:lang=\"". $this->items[$i]->enclosure->language . "\" ";
+				}
+
+				if ($this->items[$i]->enclosure->title != ""){
+					 $feed .=" title=\"". $this->items[$i]->enclosure->title . "\" ";
+				}
+
+				$feed .=" /> \n";
+
+
+
+			}
+			$feed.= "    </entry>\n";
+		}
+		$feed.= "</feed>\n";
+		return $feed;
+	}
+
+
+}
+
+/**
+ * @package rss
+ * AtomCreator03 is a FeedCreator that implements the atom specification,
+ * as in http://www.intertwingly.net/wiki/pie/FrontPage.
+ * Please note that just by using AtomCreator03 you won't automatically
+ * produce valid atom files. For example, you have to specify either an editor
+ * for the feed or an author for every single feed item.
+ *
+ * Some elements have not been implemented yet. These are (incomplete list):
+ * author URL, item author's email and URL, item contents, alternate links,
+ * other link content types than text/html. Some of them may be created with
+ * AtomCreator03::additionalElements.
+ *
+ * @see FeedCreator#additionalElements
+ * @since 1.6
+ * @author Kai Blankenhorn <kaib@bitfolge.de>, Scott Reynen <scott@randomchaos.com>
+ */
+class AtomCreator03 extends FeedCreator {
+
+	function AtomCreator03() {
+		$this->contentType = "application/atom+xml";
+		$this->encoding = "utf-8";
+	}
+
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createGeneratorComment();
+		$feed.= $this->_createStylesheetReferences();
+		$feed.= "<feed version=\"0.3\" xmlns=\"http://purl.org/atom/ns#\"";
+		if ($this->language!="") {
+			$feed.= " xml:lang=\"".$this->language."\"";
+		}
+		$feed .= ">\n";
+		$feed .= "    <title>" . htmlspecialchars( $this->title ) . "</title>\n";
+		$feed .= "    <tagline>" . htmlspecialchars( $this->description ) . "</tagline>\n";
+		$feed .= "    <link rel=\"alternate\" type=\"text/html\" href=\"" . htmlspecialchars( $this->link ) . "\"/>\n";
+		$feed .= "    <id>" . htmlspecialchars( $this->link ) . "</id>\n";
+		$now = new FeedDate();
+		$feed .= "    <modified>" . htmlspecialchars( $now->iso8601() ) . "</modified>\n";
+		if ($this->editor != "") {
+			$feed .= "    <author>\n";
+			$feed .= "        <name>" . $this->editor . "</name>\n";
+			if ($this->editorEmail != "") {
+				$feed .= "        <email>" . $this->editorEmail . "</email>\n";
+			}
+			$feed .= "    </author>\n";
+		}
+		$feed.= "    <generator>".$this->version()."</generator>\n";
+		$feed.= $this->_createAdditionalElements($this->additionalElements, "    ");
+		for ($i=0;$i<count($this->items);$i++) {
+			$feed.= "    <entry>\n";
+			$feed.= "        <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
+			$feed.= "        <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
+			if ($this->items[$i]->date=="") {
+				$this->items[$i]->date = time();
+			}
+			$itemDate = new FeedDate($this->items[$i]->date);
+			$feed.= "        <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
+			$feed.= "        <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
+			$feed.= "        <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
+			$feed.= "        <id>".htmlspecialchars($this->items[$i]->link)."</id>\n";
+			$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, "        ");
+			if ($this->items[$i]->author!="") {
+				$feed.= "        <author>\n";
+				$feed.= "            <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
+				$feed.= "        </author>\n";
+			}
+			if ($this->items[$i]->description!="") {
+				$feed.= "        <summary>".htmlspecialchars( strip_tags($this->items[$i]->description) )."</summary>\n";
+
+			}
+			$feed .= "    </entry>\n";
+		}
+		$feed .= "</feed>\n";
+		return $feed;
+	}
+
+}
+
+/**
+ * @package rss
+ * MBOXCreator is a FeedCreator that implements the mbox format
+ * as described in http://www.qmail.org/man/man5/mbox.html
+ *
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class MBOXCreator extends FeedCreator {
+
+	function MBOXCreator() {
+		$this->contentType = "text/plain";
+		$this->encoding = "ISO-8859-15";
+	}
+
+	function qp_enc($input = "", $line_max = 76) {
+		$hex = [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' ];
+		$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
+		$eol = "\r\n";
+		$escape = "=";
+		$output = "";
+		foreach ( $lines as $line ) {
+			//$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary
+			$linlen = strlen( $line );
+			$newline = "";
+			for ( $i = 0; $i < $linlen; $i++ ) {
+				$c = substr( $line, $i, 1 );
+				$dec = ord( $c );
+				if (( $dec == 32 ) && ( $i == ( $linlen - 1 ) )) { // convert space at eol only
+					$c = "=20";
+				} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
+					$h2 = floor( $dec / 16 );
+					$h1 = floor( $dec % 16 );
+					$c = $escape . $hex["$h2"] . $hex["$h1"];
+				}
+				if (( strlen( $newline ) + strlen( $c ) ) >= $line_max) { // CRLF is not counted
+					$output .= $newline . $escape . $eol; // soft line break; " =\r\n" is okay
+					$newline = "";
+				}
+				$newline .= $c;
+			} // end of for
+			$output .= $newline . $eol;
+		}
+		return trim( $output );
+	}
+
+	/**
+	 * Builds the MBOX contents.
+	 * @return    string    the feed's complete text
+	 */
+	function createFeed() {
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$from = ( $this->items[$i]->author != "" ) ? $this->items[$i]->author : $this->title;
+			$itemDate = new FeedDate( $this->items[$i]->date );
+			$feed = "From " . strtr( MBOXCreator::qp_enc( $from ), " ", "_" ) . " " . date( "D M d H:i:s Y", $itemDate->unix() ) . "\n";
+			$feed .= "Content-Type: text/plain;\n";
+			$feed .= "	charset=\"" . $this->encoding . "\"\n";
+			$feed .= "Content-Transfer-Encoding: quoted-printable\n";
+			$feed .= "Content-Type: text/plain\n";
+			$feed .= "From: \"" . MBOXCreator::qp_enc( $from ) . "\"\n";
+			$feed .= "Date: " . $itemDate->rfc822() . "\n";
+			$feed .= "Subject: " . MBOXCreator::qp_enc( FeedCreator::iTrunc( $this->items[$i]->title, 100 ) ) . "\n";
+			$feed .= "\n";
+			$body = chunk_split( MBOXCreator::qp_enc( $this->items[$i]->description ) );
+			$feed .= preg_replace( "~\nFrom ([^\n]*)(\n?)~", "\n>From $1$2\n", $body );
+			$feed .= "\n";
+			$feed .= "\n";
+		}
+		return $feed;
+	}
+
+	/**
+	 * Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
+	 * @return string the feed cache filename
+	 * @since 1.4
+	 * @access private
+	 */
+	function _generateFilename() {
+		$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+		return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".mbox";
+	}
+
+}
+
+/**
+ * @package rss
+ * OPMLCreator is a FeedCreator that implements OPML 1.0.
+ *
+ * @see http://opml.scripting.com/spec
+ * @author Dirk Clemens, Kai Blankenhorn
+ * @since 1.5
+ */
+class OPMLCreator extends FeedCreator {
+
+	function OPMLCreator() {
+		$this->encoding = "utf-8";
+	}
+
+	function createFeed() {
+		$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+		$feed.= $this->_createGeneratorComment();
+		$feed.= $this->_createStylesheetReferences();
+		$feed.= "<opml xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" version=\"1.0\">\n";
+		$feed.= "    <head>\n";
+		$feed.= "        <title>".htmlspecialchars($this->title)."</title>\n";
+		if ($this->pubDate!="") {
+			$date = new FeedDate($this->pubDate);
+			$feed.= "         <dateCreated>".$date->rfc822()."</dateCreated>\n";
+		}
+		if ($this->lastBuildDate != "") {
+			$date = new FeedDate( $this->lastBuildDate );
+			$feed .= "         <dateModified>" . $date->rfc822() . "</dateModified>\n";
+		}
+		if ($this->editor != "") {
+			$feed .= "         <ownerName>" . $this->editor . "</ownerName>\n";
+		}
+		if ($this->editorEmail != "") {
+			$feed .= "         <ownerEmail>" . $this->editorEmail . "</ownerEmail>\n";
+		}
+		$feed .= "    </head>\n";
+		$feed .= "    <body>\n";
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			$feed .= "    <outline type=\"rss\" ";
+			$title = htmlspecialchars( strip_tags( strtr( $this->items[$i]->title, "\n\r", "  " ) ) );
+			$feed .= " title=\"" . $title . "\"";
+			$feed .= " text=\"" . $title . "\"";
+			//$feed.= " description=\"".htmlspecialchars($this->items[$i]->description)."\"";
+			$feed .= " url=\"" . htmlspecialchars( $this->items[$i]->link ) . "\"";
+
+			if ($this->items[$i]->syndicationURL !="") {
+				$feed.= " xmlUrl=\"" . $this->items[$i]->syndicationURL . "\"";
+			}
+
+			$feed .= "/>\n";
+		}
+		$feed .= "    </body>\n";
+		$feed .= "</opml>\n";
+		return $feed;
+	}
+
+}
+
+/**
+ * @package rss
+ * HTMLCreator is a FeedCreator that writes an HTML feed file to a specific
+ * location, overriding the createFeed method of the parent FeedCreator.
+ * The HTML produced can be included over http by scripting languages, or serve
+ * as the source for an IFrame.
+ * All output by this class is embedded in <div></div> tags to enable formatting
+ * using CSS.
+ *
+ * @author Pascal Van Hecke
+ * @since 1.7
+ */
+class HTMLCreator extends FeedCreator {
+
+	var $contentType = "text/html";
+
+	/**
+	 * Contains HTML to be output at the start of the feed's html representation.
+	 */
+	var $header;
+
+	/**
+	 * Contains HTML to be output at the end of the feed's html representation.
+	 */
+	var $footer;
+
+	/**
+	 * Contains HTML to be output between entries. A separator is only used in
+	 * case of multiple entries.
+	 */
+	var $separator;
+
+	/**
+	 * Used to prefix the stylenames to make sure they are unique
+	 * and do not clash with stylenames on the users' page.
+	 */
+	var $stylePrefix;
+
+	/**
+	 * Determines whether the links open in a new window or not.
+	 */
+	var $openInNewWindow = true;
+
+	var $imageAlign = "right";
+
+	/**
+	 * In case of very simple output you may want to get rid of the style tags,
+	 * hence this variable.  There's no equivalent on item level, but of course you can
+	 * add strings to it while iterating over the items ($this->stylelessOutput .= ...)
+	 * and when it is non-empty, ONLY the styleless output is printed, the rest is ignored
+	 * in the function createFeed().
+	 */
+	var $stylelessOutput = "";
+
+	/**
+	 * Writes the HTML.
+	 * @return    string    the scripts's complete text
+	 */
+	function createFeed() {
+		// if there is styleless output, use the content of this variable and ignore the rest
+		if ($this->stylelessOutput != "") {
+			return $this->stylelessOutput;
+		}
+
+		//if no stylePrefix is set, generate it yourself depending on the script name
+		if ($this->stylePrefix == "") {
+			$this->stylePrefix = str_replace( ".", "_", $this->_generateFilename() ) . "_";
+		}
+
+		//set an openInNewWindow_token_to be inserted or not
+		if ($this->openInNewWindow) {
+			$targetInsert = " target='_blank'";
+		}
+
+		// use this array to put the lines in and implode later with "document.write" javascript
+		$feedArray = [];
+		if ($this->image != null) {
+			$imageStr = "<a href='" . $this->image->link . "'" . $targetInsert . ">" .
+				"<img src='" . $this->image->url . "' border='0' alt='" .
+				FeedCreator::iTrunc( htmlspecialchars( $this->image->title ), 100 ) .
+				"' align='" . $this->imageAlign . "' ";
+			if ($this->image->width) {
+				$imageStr .= " width='" . $this->image->width . "' ";
+			}
+			if ($this->image->height) {
+				$imageStr .= " height='" . $this->image->height . "' ";
+			}
+			$imageStr .= "/></a>";
+			$feedArray[] = $imageStr;
+		}
+
+		if ($this->title) {
+			$feedArray[] = "<div class='" . $this->stylePrefix . "title'><a href='" . $this->link . "' " . $targetInsert . " class='" . $this->stylePrefix . "title'>" .
+				FeedCreator::iTrunc( htmlspecialchars( $this->title ), 100 ) . "</a></div>";
+		}
+		if ($this->getDescription()) {
+			$feedArray[] = "<div class='" . $this->stylePrefix . "description'>" .
+				str_replace( "]]>", "", str_replace( "<![CDATA[", "", $this->getDescription() ) ) .
+				"</div>";
+		}
+
+		if ($this->header) {
+			$feedArray[] = "<div class='" . $this->stylePrefix . "header'>" . $this->header . "</div>";
+		}
+
+		for ( $i = 0; $i < count( $this->items ); $i++ ) {
+			if ($this->separator and $i > 0) {
+				$feedArray[] = "<div class='" . $this->stylePrefix . "separator'>" . $this->separator . "</div>";
+			}
+
+			if ($this->items[$i]->title) {
+				$feedArray[] = ( $this->items[$i]->link ) ? "<div class='" . $this->stylePrefix . "item_title'><a href='" . $this->items[$i]->link . "' class='" . $this->stylePrefix .
+					"item_title'" . $targetInsert . ">" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) .
+					"</a></div>" : "<div class='" . $this->stylePrefix . "item_title'>" .
+					FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) .
+					"</div>";
+			}
+			if ($this->items[$i]->getDescription()) {
+				$feedArray[] =
+					"<div class='".$this->stylePrefix."item_description'>".
+					str_replace("]]>", "", str_replace("<![CDATA[", "", $this->items[$i]->getDescription())).
+					"</div>";
+			}
+		}
+		if ($this->footer) {
+			$feedArray[] = "<div class='".$this->stylePrefix."footer'>".$this->footer."</div>";
+		}
+
+		$feed= "".join($feedArray, "\r\n");
+		return $feed;
+	}
+
+	/**
+	 * Overrrides parent to produce .html extensions
+	 *
+	 * @return string the feed cache filename
+	 * @since 1.4
+	 * @access private
+	 */
+	function _generateFilename() {
+		$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+		return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".html";
+	}
+}
+
+
+/**
+ * @package rss
+ * JSCreator is a class that writes a js file to a specific
+ * location, overriding the createFeed method of the parent HTMLCreator.
+ *
+ * @author Pascal Van Hecke
+ */
+class JSCreator extends HTMLCreator {
+	var $contentType = "text/javascript";
+
+	/**
+	 * writes the javascript
+	 * @return    string    the scripts's complete text
+	 */
+	function createFeed()
+	{
+		$feed = parent::createFeed();
+		$feedArray = explode("\n",$feed);
+
+		$jsFeed = "";
+		foreach ($feedArray as $value) {
+			$jsFeed .= "document.write('".trim(addslashes($value))."');\n";
+		}
+		return $jsFeed;
+	}
+
+	/**
+	 * Overrrides parent to produce .js extensions
+	 *
+	 * @return string the feed cache filename
+	 * @since 1.4
+	 * @access private
+	 */
+	function _generateFilename() {
+		$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+		return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".js";
+	}
+
+}
+
+
+
+/*** TEST SCRIPT *********************************************************
+
+//include("feedcreator.class.php");
+
+$rss = new UniversalFeedCreator();
+$rss->useCached();
+$rss->title = "PHP news";
+$rss->description = "daily news from the PHP scripting world";
+
+//optional
+//$rss->descriptionTruncSize = 500;
+//$rss->descriptionHtmlSyndicated = true;
+//$rss->xslStyleSheet = "http://feedster.com/rss20.xsl";
+
+$rss->link = "http://www.dailyphp.net/news";
+$rss->feedURL = "http://www.dailyphp.net/".$_SERVER['SCRIPT_NAME'];
+
+$image = new FeedImage();
+$image->title = "dailyphp.net logo";
+$image->url = "http://www.dailyphp.net/images/logo.gif";
+$image->link = "http://www.dailyphp.net";
+$image->description = "Feed provided by dailyphp.net. Click to visit.";
+
+//optional
+$image->descriptionTruncSize = 500;
+$image->descriptionHtmlSyndicated = true;
+
+$rss->image = $image;
+
+// get your news items from somewhere, e.g. your database:
+//mysql_select_db($dbHost, $dbUser, $dbPass);
+//$res = mysql_query("SELECT * FROM news ORDER BY newsdate DESC");
+//while ($data = mysql_fetch_object($res)) {
+	$item = new FeedItem();
+	$item->title = "This is an the test title of an item";
+	$item->link = "http://localhost/item/";
+	$item->description = "<b>description in </b><br/>HTML";
+
+	//optional
+	//item->descriptionTruncSize = 500;
+	$item->descriptionHtmlSyndicated = true;
+
+	$item->date = time();
+	$item->source = "http://www.dailyphp.net";
+	$item->author = "John Doe";
+
+	$rss->addItem($item);
+//}
+
+// valid format strings are: RSS0.91, RSS1.0, RSS2.0, PIE0.1, MBOX, OPML, ATOM0.3, HTML, JS
+echo $rss->saveFeed("RSS0.91", "feed.xml");
+
+
+
+***************************************************************************/
+