MDL-44657 forms: Form identifiers should only contain basic characters

moodle · Nov 13, 2014 · 68ef378 · 68ef378
1 parent 683d7de
commit 68ef378
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/formslib.php b/lib/formslib.php
@@ -211,7 +211,9 @@ function moodleform($action=null, $customdata=null, $method='post', $target='',
      * @return string form identifier.
      */
     protected function get_form_identifier() {
-        return get_class($this);
+        $class = get_class($this);
+
+        return preg_replace('/[^a-z0-9_]/i', '_', $class);
     }
 
     /**