<?phpdefine("FEEDCREATOR_VERSION", "Foskasse Xml Generator");class FeedItem extends HtmlDescribable { var $title, $description, $link; var $author, $authorEmail, $image, $category, $comments, $guid, $source, $creator; var $date; var $additionalElements = Array();}class FeedImage extends HtmlDescribable { var $title, $url, $link; var $width, $height, $description;}class HtmlDescribable { var $descriptionHtmlSyndicated; var $descriptionTruncSize; function getDescription() { $descriptionField = new FeedHtmlField($this->description); $descriptionField->syndicateHtml = $this->descriptionHtmlSyndicated; $descriptionField->truncSize = $this->descriptionTruncSize; return $descriptionField->output(); }}/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 { if ($this->truncSize and is_int($this->truncSize)) { $result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent),$this->truncSize); } else { $result = htmlspecialchars($this->rawFieldContent); } } return $result; }}/** * 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 $_feed; function _setFormat($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(); break; case "0.91": // fall through case "RSS0.91": $this->_feed = new RSSCreator091(); break; case "PIE0.1": $this->_feed = new PIECreator01(); 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 "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 $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()). * @param boolean displayContents optional send the content of the file or not. If true, the file will be sent in the body of the response. */ function saveFeed($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() { $xml = ""; if ($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%23\"\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(); $feed.= " <generator>".FEEDCREATOR_VERSION."</generator>\n"; if ($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!="") { $feed.= " <guid>".htmlspecialchars($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%23\">\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%23additionalElements * @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(); $feed.= "<feed version=\"0.3\" xmlns=\"http://purl.org/atom/ns%23\""; if ($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("file:///C|/DOCUME~1/ANDR~1/LOCALS~1/Temp/Rar$DI00.422/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, JSecho $rss->saveFeed("RSS0.91", "feed.xml"); ***************************************************************************/?>