$value) { $translation[$key] = '&#' . ord($key) . ';'; } $translation[chr(38)] = '&'; return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&", strtr($str, $translation)); } // the class constructor is executed when creating an instance of the class function RSSFactory($title, $link, $description, $language = 'en-us', $items = array()) { // save feed data to local class members $this->_title = $title; $this->_link = $link; $this->_description = $description; $this->_language = $language; $this->_items = $items; } // adds a new feed item function addItem($title, $link, $description, $additional_fields = array()) { // add feed item $this->_items[] = array_merge(array('title' => $title, 'link' => $link, 'description' => $description), $additional_fields); } // generates feed function get() { // initial preparations ob_start(); header('Content-type: text/xml'); // generate feed header echo '' . '' . '' . '' . RSSFactory::_escapeXML($this->_link) . '' . '' . RSSFactory::_escapeXML($this->_description) . ''; // add feed items foreach ($this->_items as $feed_item) { // add a feed item and its contents echo ''; foreach ($feed_item as $item_name => $item_value) { // add social bookmarking icons to feed description if ($item_name == 'description') { // instantiate class by providing link, title, and site name $social = new SocialBookmarking($feed_item['link'], $feed_item['title'], $this->_title); // add social bookmarking icons to the feed $item_value = $item_value . $social->getFeedHTML(); } // output feed item echo "<$item_name>" . RSSFactory::_escapeXML($item_value) . ""; } echo ''; } // close channel and rss elements echo ''; // return feed data return ob_get_clean(); } } ?>