MDL-27649 support question variants as a first-class concept in the question engine.

2011-05-26 21:23:56 +01:00
parent f55192bf08
commit 1da821bbde
46 changed files with 283 additions and 98 deletions
@@ -101,6 +101,10 @@ class question_attempt_step {
     */
    public function __construct($data = array(), $timecreated = null, $userid = null) {
        global $USER;
+        
+        if (!is_array($data)) {
+            echo format_backtrace(debug_backtrace());
+        }
        $this->state = question_state::$unprocessed;
        $this->data = $data;
        if (is_null($timecreated)) {