 2a1edc5c3d
			
		
	
	
	2a1edc5c3d
	
	
	
		
			
			- now the dates in the RSS feed are always correct (and in GMT) git-svn-id: http://piwigo.org/svn/trunk@2296 68402e56-0260-453c-a942-63ccdbb3a9ee
		
			
				
	
	
		
			1541 lines
		
	
	
	
		
			48 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1541 lines
		
	
	
	
		
			48 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /***************************************************************************
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| 
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| FeedCreator class v1.7.2
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| originally (c) Kai Blankenhorn
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| www.bitfolge.de
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| kaib@bitfolge.de
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| v1.3 work by Scott Reynen (scott@randomchaos.com) and Kai Blankenhorn
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| v1.5 OPML support by Dirk Clemens
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| 
 | |
| 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.
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| 
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| This library is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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| 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
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| 	fixed a syntax bug
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| 	fixed left over debug code
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| 
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| v1.7	07-18-04
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| 	added HTML and JavaScript feeds (configurable via CSS) (thanks to Pascal Van Hecke)
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| 	added HTML descriptions for all feed formats (thanks to Pascal Van Hecke)
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| 	added a switch to select an external stylesheet (thanks to Pascal Van Hecke)
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| 	changed default content-type to application/xml
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| 	added character encoding setting
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| 	fixed numerous smaller bugs (thanks to Sören Fuhrmann of golem.de)
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| 	improved changing ATOM versions handling (thanks to August Trometer)
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| 	improved the UniversalFeedCreator's useCached method (thanks to Sören Fuhrmann of golem.de)
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| 	added charset output in HTTP headers (thanks to Sören Fuhrmann of golem.de)
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| 	added Slashdot namespace to RSS 1.0 (thanks to Sören Fuhrmann of golem.de)
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| 
 | |
| v1.6	05-10-04
 | |
| 	added stylesheet to RSS 1.0 feeds
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| 	fixed generator comment (thanks Kevin L. Papendick and Tanguy Pruvot)
 | |
| 	fixed RFC822 date bug (thanks Tanguy Pruvot)
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| 	added TimeZone customization for RFC8601 (thanks Tanguy Pruvot)
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| 	fixed Content-type could be empty (thanks Tanguy Pruvot)
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| 	fixed author/creator in RSS1.0 (thanks Tanguy Pruvot)
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| 
 | |
| v1.6 beta	02-28-04
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| 	added Atom 0.3 support (not all features, though)
 | |
| 	improved OPML 1.0 support (hopefully - added more elements)
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| 	added support for arbitrary additional elements (use with caution)
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| 	code beautification :-)
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| 	considered beta due to some internal changes
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| 
 | |
| v1.5.1	01-27-04
 | |
| 	fixed some RSS 1.0 glitches (thanks to Stéphane Vanpoperynghe)
 | |
| 	fixed some inconsistencies between documentation and code (thanks to Timothy Martin)
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| 
 | |
| v1.5	01-06-04
 | |
| 	added support for OPML 1.0
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| 	added more documentation
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| 
 | |
| v1.4	11-11-03
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| 	optional feed saving and caching
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| 	improved documentation
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| 	minor improvements
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| 
 | |
| v1.3    10-02-03
 | |
| 	renamed to FeedCreator, as it not only creates RSS anymore
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| 	added support for mbox
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| 	tentative support for echo/necho/atom/pie/???
 | |
| 
 | |
| v1.2    07-20-03
 | |
| 	intelligent auto-truncating of RSS 0.91 attributes
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| 	don't create some attributes when they're not set
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| 	documentation improved
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| 	fixed a real and a possible bug with date conversions
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| 	code cleanup
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| 
 | |
| v1.1    06-29-03
 | |
| 	added images to feeds
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| 	now includes most RSS 0.91 attributes
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| 	added RSS 2.0 feeds
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| 
 | |
| v1.0    06-24-03
 | |
| 	initial release
 | |
| 
 | |
| 
 | |
| 
 | |
| ***************************************************************************/
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| 
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| /*** GENERAL USAGE *********************************************************
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| 
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| include("feedcreator.class.php");
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| 
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| $rss = new UniversalFeedCreator();
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| $rss->useCached(); // use cached version if age<1 hour
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| $rss->title = "PHP news";
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| $rss->description = "daily news from the PHP scripting world";
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| 
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| //optional
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| $rss->descriptionTruncSize = 500;
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| $rss->descriptionHtmlSyndicated = true;
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| 
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| $rss->link = "http://www.dailyphp.net/news";
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| $rss->syndicationURL = "http://www.dailyphp.net/".$_SERVER["PHP_SELF"];
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| 
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| $image = new FeedImage();
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| $image->title = "dailyphp.net logo";
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| $image->url = "http://www.dailyphp.net/images/logo.gif";
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| $image->link = "http://www.dailyphp.net";
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| $image->description = "Feed provided by dailyphp.net. Click to visit.";
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| 
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| //optional
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| $image->descriptionTruncSize = 500;
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| $image->descriptionHtmlSyndicated = true;
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| 
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| $rss->image = $image;
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| 
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| // get your news items from somewhere, e.g. your database:
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| mysql_select_db($dbHost, $dbUser, $dbPass);
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| $res = mysql_query("SELECT * FROM news ORDER BY newsdate DESC");
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| while ($data = mysql_fetch_object($res)) {
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|     $item = new FeedItem();
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|     $item->title = $data->title;
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|     $item->link = $data->url;
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|     $item->description = $data->short;
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| 
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|     //optional
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|     item->descriptionTruncSize = 500;
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|     item->descriptionHtmlSyndicated = true;
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| 
 | |
|     $item->date = $data->newsdate;
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|     $item->source = "http://www.dailyphp.net";
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|     $item->author = "John Doe";
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| 
 | |
|     $rss->addItem($item);
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| }
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| 
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| // valid format strings are: RSS0.91, RSS1.0, RSS2.0, PIE0.1 (deprecated),
 | |
| // MBOX, OPML, ATOM, ATOM0.3, HTML, JS
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| echo $rss->saveFeed("RSS1.0", "news/feed.xml");
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| 
 | |
| 
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| ***************************************************************************
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| *          A little setup                                                 *
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| **************************************************************************/
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| 
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| // your local timezone, set to "" to disable or for GMT
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| define("TIME_ZONE","+00:00");
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| 
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| 
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| 
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| 
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| /**
 | |
|  * Version string.
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|  **/
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| define("FEEDCREATOR_VERSION", "FeedCreator 1.7.2");
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| 
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| 
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| 
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| /**
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|  * A FeedItem is a part of a FeedCreator feed.
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|  *
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|  * @author Kai Blankenhorn <kaib@bitfolge.de>
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|  * @since 1.3
 | |
|  */
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| class FeedItem extends HtmlDescribable {
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| 	/**
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| 	 * Mandatory attributes of an item.
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| 	 */
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| 	var $title, $description, $link;
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| 
 | |
| 	/**
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| 	 * Optional attributes of an item.
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| 	 */
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| 	var $author, $authorEmail, $image, $category, $comments, $guid, $source, $creator;
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| 
 | |
| 	/**
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| 	 * Publishing date of an item. May be in one of the following formats:
 | |
| 	 *
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| 	 *	RFC 822:
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| 	 *	"Mon, 20 Jan 03 18:05:41 +0400"
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| 	 *	"20 Jan 03 18:05:41 +0000"
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| 	 *
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| 	 *	ISO 8601:
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| 	 *	"2003-01-20T18:05:41+04:00"
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| 	 *
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| 	 *	Unix:
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| 	 *	1043082341
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| 	 */
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| 	var $date;
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| 
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| 	/**
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| 	 * Any additional elements to include as an assiciated array. All $key => $value pairs
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| 	 * will be included unencoded in the feed item in the form
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| 	 *     <$key>$value</$key>
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| 	 * 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.
 | |
| 	 */
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| 	var $additionalElements = Array();
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| 
 | |
| 	// on hold
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| 	// var $source;
 | |
| }
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| 
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| 
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| 
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| /**
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|  * An FeedImage may be added to a FeedCreator feed.
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|  * @author Kai Blankenhorn <kaib@bitfolge.de>
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|  * @since 1.3
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|  */
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| class FeedImage extends HtmlDescribable {
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| 	/**
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| 	 * Mandatory attributes of an image.
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| 	 */
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| 	var $title, $url, $link;
 | |
| 
 | |
| 	/**
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| 	 * Optional attributes of an image.
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| 	 */
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| 	var $width, $height, $description;
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| }
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| 
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| 
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| 
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| /**
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|  * An HtmlDescribable is an item within a feed that can have a description that may
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|  * include HTML markup.
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|  */
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| class HtmlDescribable {
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| 	/**
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| 	 * Indicates whether the description field should be rendered in HTML.
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| 	 */
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| 	var $descriptionHtmlSyndicated;
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| 
 | |
| 	/**
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| 	 * Indicates whether and to how many characters a description should be truncated.
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| 	 */
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| 	var $descriptionTruncSize;
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| 
 | |
| 	/**
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| 	 * Returns a formatted description field, depending on descriptionHtmlSyndicated and
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| 	 * $descriptionTruncSize properties
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| 	 * @return    string    the formatted description
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| 	 */
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| 	function getDescription() {
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| 		$descriptionField = new FeedHtmlField($this->description);
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| 		$descriptionField->syndicateHtml = $this->descriptionHtmlSyndicated;
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| 		$descriptionField->truncSize = $this->descriptionTruncSize;
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| 		return $descriptionField->output();
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| 
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| /**
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|  * An FeedHtmlField describes and generates
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|  * a feed, item or image html field (probably a description). Output is
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|  * generated based on $truncSize, $syndicateHtml properties.
 | |
|  * @author Pascal Van Hecke <feedcreator.class.php@vanhecke.info>
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|  * @version 1.6
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|  */
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| class FeedHtmlField {
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| 	/**
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| 	 * Mandatory attributes of a FeedHtmlField.
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| 	 */
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| 	var $rawFieldContent;
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| 
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| 	/**
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| 	 * Optional attributes of a FeedHtmlField.
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| 	 *
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| 	 */
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| 	var $truncSize, $syndicateHtml;
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| 
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| 	/**
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| 	 * Creates a new instance of FeedHtmlField.
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| 	 * @param  $string: if given, sets the rawFieldContent property
 | |
| 	 */
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| 	function FeedHtmlField($parFieldContent) {
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| 		if ($parFieldContent) {
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| 			$this->rawFieldContent = $parFieldContent;
 | |
| 		}
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| 	}
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| 
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| 
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| 	/**
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| 	 * Creates the right output, depending on $truncSize, $syndicateHtml properties.
 | |
| 	 * @return string    the formatted field
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| 	 */
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| 	function output() {
 | |
| 		// when field available and syndicated in html we assume
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| 		// - valid html in $rawFieldContent and we enclose in CDATA tags
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| 		// - no truncation (truncating risks producing invalid html)
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| 		if (!$this->rawFieldContent) {
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| 			$result = "";
 | |
| 		}	elseif ($this->syndicateHtml) {
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| 			$result = "<![CDATA[".$this->rawFieldContent."]]>";
 | |
| 		} else {
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| 			if ($this->truncSize and is_int($this->truncSize)) {
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| 				$result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent),$this->truncSize);
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| 			} else {
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| 				$result = htmlspecialchars($this->rawFieldContent);
 | |
| 			}
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| 		}
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| 		return $result;
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
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| 
 | |
| 
 | |
| /**
 | |
|  * UniversalFeedCreator lets you choose during runtime which
 | |
|  * format to build.
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|  * For general usage of a feed class, see the FeedCreator class
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|  * below or the example above.
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|  *
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|  * @since 1.3
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|  * @author Kai Blankenhorn <kaib@bitfolge.de>
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|  */
 | |
| class UniversalFeedCreator extends FeedCreator {
 | |
| 	var $_feed;
 | |
| 
 | |
| 	function _setFormat($format) {
 | |
| 		switch (strtoupper($format)) {
 | |
| 
 | |
| 			case "2.0":
 | |
| 				// fall through
 | |
| 			case "RSS2.0":
 | |
| 				$this->_feed = new RSSCreator20();
 | |
| 				break;
 | |
| 
 | |
| 			case "1.0":
 | |
| 				// fall through
 | |
| 			case "RSS1.0":
 | |
| 				$this->_feed = new RSSCreator10();
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| 				break;
 | |
| 
 | |
| 			case "0.91":
 | |
| 				// fall through
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| 			case "RSS0.91":
 | |
| 				$this->_feed = new RSSCreator091();
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| 				break;
 | |
| 
 | |
| 			case "PIE0.1":
 | |
| 				$this->_feed = new PIECreator01();
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| 				break;
 | |
| 
 | |
| 			case "MBOX":
 | |
| 				$this->_feed = new MBOXCreator();
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| 				break;
 | |
| 
 | |
| 			case "OPML":
 | |
| 				$this->_feed = new OPMLCreator();
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| 				break;
 | |
| 
 | |
| 			case "ATOM":
 | |
| 				// fall through: always the latest ATOM version
 | |
| 
 | |
| 			case "ATOM0.3":
 | |
| 				$this->_feed = new AtomCreator03();
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| 				break;
 | |
| 
 | |
| 			case "HTML":
 | |
| 				$this->_feed = new HTMLCreator();
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| 				break;
 | |
| 
 | |
| 			case "JS":
 | |
| 				// fall through
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| 			case "JAVASCRIPT":
 | |
| 				$this->_feed = new JSCreator();
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| 				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"/*PWG, "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 $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
 | |
| 	 * @param	boolean	displayContents	optional	send the content of the file or not. If true, the file will be sent in the body of the response.
 | |
| 	 */
 | |
| 	function saveFeed($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 filename   string   optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
 | |
|     * @param timeout int      optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
 | |
|     */
 | |
|    function useCached($format="RSS0.91", $filename="", $timeout=3600) {
 | |
|       $this->_setFormat($format);
 | |
|       $this->_feed->useCached($filename, $timeout);
 | |
|    }
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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.
 | |
| 	 */
 | |
| 	var $title, $description, $link;
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * Optional attributes of a feed.
 | |
| 	 */
 | |
| 	var $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.
 | |
| 	*/
 | |
| 	var $xslStyleSheet = "";
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * @access private
 | |
| 	 */
 | |
| 	var $items = Array();
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * 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";
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * 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 = Array();
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * 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;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * 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 $length, it is returned unchanged.
 | |
| 	 *
 | |
| 	 * @static
 | |
| 	 * @param string    string A string to be truncated.
 | |
| 	 * @param int        length the maximum length the string should be truncated to
 | |
| 	 * @return string    the truncated string
 | |
| 	 */
 | |
| 	function iTrunc($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=\"".FEEDCREATOR_VERSION."\" -->\n";
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	/**
 | |
| 	 * Creates a string containing all additional elements specified in
 | |
| 	 * $additionalElements.
 | |
| 	 * @param	elements	array	an associative array containing key => value pairs
 | |
| 	 * @param indentString	string	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() {
 | |
| 		$xml = "";
 | |
| 		if (isset($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    the feed's complete text
 | |
| 	 */
 | |
| 	function createFeed() {
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Generate a filename for the feed cache file. The result will be $_SERVER["PHP_SELF"] 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: ".$filename);
 | |
| 
 | |
| 		Header("Content-Type: ".$this->contentType."; charset=".$this->encoding."; filename=".basename($filename));
 | |
| 		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 filename	string	optional	the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
 | |
| 	 * @param timeout	int		optional	the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
 | |
| 	 */
 | |
| 	function useCached($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 filename	string	optional	the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
 | |
| 	 * @param redirect	boolean	optional	send an HTTP redirect header or not. If true, the user will be automatically redirected to the created file.
 | |
| 	 */
 | |
| 	function saveFeed($filename="", $displayContents=true) {
 | |
| 		if ($filename=="") {
 | |
| 			$filename = $this->_generateFilename();
 | |
| 		}
 | |
| 		$feedFile = fopen($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 />";
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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=="") $dateString = date("r");
 | |
| 
 | |
| 		if (is_integer($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 = Array("Jan"=>1,"Feb"=>2,"Mar"=>3,"Apr"=>4,"May"=>5,"Jun"=>6,"Jul"=>7,"Aug"=>8,"Sep"=>9,"Oct"=>10,"Nov"=>11,"Dec"=>12);
 | |
| 			$this->unix = mktime($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;
 | |
| 		}
 | |
| 		$this->unix = 0;
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Gets the date stored in this FeedDate as an RFC 822 date.
 | |
| 	 *
 | |
| 	 * @return a date in RFC 822 format
 | |
| 	 */
 | |
| 	function rfc822() {
 | |
| 		//return gmdate("r",$this->unix);
 | |
| 		$date = gmdate("D, d M Y H:i:s", $this->unix);
 | |
| 		if (TIME_ZONE!="") $date .= " ".str_replace(":","",TIME_ZONE);
 | |
| 		return $date;
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Gets the date stored in this FeedDate as an ISO 8601 date.
 | |
| 	 *
 | |
| 	 * @return 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 a date as a unix time stamp
 | |
| 	 */
 | |
| 	function unix() {
 | |
| 		return $this->unix;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| 
 | |
| 	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();
 | |
| 		$feed.= "<rss version=\"".$this->RSSVersion."\">\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";
 | |
| 		$feed.= "        <generator>".FEEDCREATOR_VERSION."</generator>\n";
 | |
| 
 | |
| 		if ($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";
 | |
| 		}
 | |
| 		$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!="") {
 | |
| 				$feed.= "            <author>".htmlspecialchars($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!="") {
 | |
| 				$feed.= "            <category>".htmlspecialchars($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";
 | |
| 			}
 | |
| 			$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, "        ");
 | |
| 			$feed.= "        </item>\n";
 | |
| 		}
 | |
| 		$feed.= "    </channel>\n";
 | |
| 		$feed.= "</rss>\n";
 | |
| 		return $feed;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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");
 | |
|     }
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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>".FEEDCREATOR_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!="") {
 | |
| 				$feed.= "        <summary>".htmlspecialchars($this->items[$i]->description)."</summary>\n";
 | |
| 			}
 | |
| 			$feed.= "    </entry>\n";
 | |
| 		}
 | |
| 		$feed.= "</feed>\n";
 | |
| 		return $feed;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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 = array('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 = "";
 | |
| 		while( list(, $line) = each($lines) ) {
 | |
| 			//$line = rtrim($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);$i++) {
 | |
| 			if ($this->items[$i]->author!="") {
 | |
| 				$from = $this->items[$i]->author;
 | |
| 			} else {
 | |
| 				$from = $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";
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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\">\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)."\"";
 | |
| 			$feed.= "/>\n";
 | |
| 		}
 | |
| 		$feed.= "    </body>\n";
 | |
| 		$feed.= "</opml>\n";
 | |
| 		return $feed;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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
 | |
| 		$feedArray = array();
 | |
| 		if ($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[$i]->title) {
 | |
| 				if ($this->items[$i]->link) {
 | |
| 					$feedArray[] =
 | |
| 						"<div class='".$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>";
 | |
| 				} else {
 | |
| 					$feedArray[] =
 | |
| 						"<div class='".$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";
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * 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";
 | |
| $rss->feedURL = "http://www.dailyphp.net/".$PHP_SELF;
 | |
| 
 | |
| $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");
 | |
| 
 | |
| 
 | |
| 
 | |
| ***************************************************************************/
 | |
| 
 | |
| ?>
 |