Show error message when no url parameter was passed to shorten.php.

mathiasbynens · Dec 3, 2010 · dceebb8 · dceebb8
1 parent f45d78e
commit dceebb8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/shorten.php b/shorten.php
@@ -4,7 +4,7 @@
 
 header('Content-Type: text/plain;charset=UTF-8');
 
-$url = urldecode(trim($_GET['url']));
+$url = isset($_GET['url']) ? urldecode(trim($_GET['url'])) : '';
 
 if (in_array($url, array('', 'about:blank', 'undefined', 'http://localhost/'))) {
  die('Enter a URL.');