enhance url parse

mod/parse_url.php

@@ -3,15 +3,20 @@
 require_once('library/HTML5/Parser.php');
 
 function parse_url_content(&$a) {
+
 	$url = trim($_GET['url']);
 
-	$template = "<a href=\"%s\" >%s</a>";
+	$template = "<a href=\"%s\" >%s</a>%s";
 
 	if($url) 
 		$s = fetch_url($url);
+	else {
+		echo '';
+		killme();
+	}
 	
 	if(! $s) {
-		echo sprintf($template,$url,$url);
+		echo sprintf($template,$url,$url,'');
 		killme();
 	}
 
@@ -21,12 +26,30 @@ function parse_url_content(&$a) {
 		return $ret;
 
 	$items = $dom->getElementsByTagName('title');
-	
-	foreach($items as $item) {
-		$title = $item->textContent;
-		break;
+
+	if($items) {
+		foreach($items as $item) {
+			$title = $item->textContent;
+			break;
+		}
 	}
 
-	echo sprintf($template,$url,$title);
+	$items = $dom->getElementsByTagName('p');
+	if($items) {
+		foreach($items as $item) {
+			$text = $item->textContent;
+			$text = strip_tags($text);
+			if(strlen($text) < 100)
+				continue;
+			$text = substr($text,0,250) . '...' ;
+			break;
+		}
+	}
+
+	if(strlen($text)) {
+		$text = '<br />' . $text;
+	}
+
+	echo sprintf($template,$url,$title,$text);
 	killme();
 }