MDL-12900 prevent fatal errors when incorrect scale id specified in grade_item

2008-02-02 21:33:20 +00:00
parent ccd48da98d
commit 14f79d5a2f
1 changed files with 5 additions and 0 deletions
@@ -785,6 +785,11 @@ class grade_item extends grade_object {
            //do not load scale if already present
            if (empty($this->scale->id) or $this->scale->id != $this->scaleid) {
                $this->scale = grade_scale::fetch(array('id'=>$this->scaleid));
+                if (!$this->scale) {
+                    debugging('Incorrect scale id: '.$this->scaleid);
+                    $this->scale = null;
+                    return null;
+                }
                $this->scale->load_items();
            }