added funcionality to get news and forum posts from RSS-feeds

2012-09-26 22:21:15 +02:00
parent b2022b9cf3
commit f6d0f92d58
4 changed files with 107 additions and 5 deletions
--- a/htdocs/lib2/RSSParser.class.php
+++ b/htdocs/lib2/RSSParser.class.php
@@ -0,0 +1,78 @@
+<?php
+
+
+
+class RSSParser {
+	
+	/**
+	 * parse
+	 * @param int $items number of feeditems to parse from feed
+	 * @param string $url url of the feed to parse
+	 * @return string $item feeditems as HTML-string
+	 */
+	public static function parse($items,$url) {
+		
+		// error
+		$error = false;
+		
+		// check $url
+		if(!preg_match('!^(http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&amp;%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&amp;%\$#\=~_\-]+))*$!',$url)) {
+			$error = true;
+		} else {
+			
+			// output
+			$html = '<div class="buffer" style="width: 500px;height: 2px;">&nbsp;</div>'."\n";
+			
+			// get xml-data
+			$data = file_get_contents($url);
+			
+			// check data
+			if($data === false || strpos($data, 'rss version=') === false) {
+				$error = true;
+			} else {
+				
+				// parse XML
+				try {
+	
+					// get SimpleXML-object
+					$xml = new SimpleXMLElement($data);
+					
+					// walk through items
+					$i=0;
+					foreach($xml->channel->item as $item) {
+						
+						// check length
+						if($items != 0 && $i >= $items) {
+							break;
+						} else {
+							
+							// add html
+							$html .= '<p class="content-title-noshade-size2" style="display: inline;">'."\n";
+							$html .= strftime('%e. %B %Y',strtotime($item->pubDate)).' - '. $item->title;
+							$html .= '</p> <p style="line-height: 1.6em;display: inline;">&emsp;[<b><a class="link" href="'.$item->link.'">mehr...</a></b>]</p>'."\n";
+							$html .= '<p>'.$item->description.'</p>'."\n";
+						}
+						
+						// increment counter
+						$i++;
+					}
+				
+					// finish html
+					$html .= '<div class="buffer" style="width: 500px;">&nbsp;</div>'."\n";
+				}
+				catch(Exception $e) {
+					$error = true;
+				}
+			}
+		}
+		
+		// return
+		if(!$error) {
+			return $html;
+		} else {
+			return '';
+		}
+	}
+}
+
+?>