trying to fix encoded urls

Author: oscarotero

demo/index.php

@@ -11,11 +11,13 @@ function get($name, $default = '')
     }
 
     if ($name === 'url') {
-        if (!filter_var($_GET['url'], FILTER_VALIDATE_URL)) {
+        $url = urldecode($_GET['url']);
+
+        if (!filter_var($url, FILTER_VALIDATE_URL)) {
             return 'http://doNotTryToXSS.invalid';
         }
 
-        return urldecode($_GET['url']);
+        return $url;
     }
 
     return $_GET[$name];