Merge branch 'MDL-59713' of https://github.com/stronk7/moodle

2017-08-30 08:20:09 +08:00
parent 7d08eccf43 a4cdbff86c
commit a85c077a64
1 changed files with 1 additions and 1 deletions
@@ -228,7 +228,7 @@ class MoodleQuickForm_date_time_selector extends MoodleQuickForm_group {
                }
                break;
            case 'createElement':
-                if ($arg[2]['optional']) {
+                if (isset($arg[2]['optional']) && $arg[2]['optional']) {
                    // When using the function addElement, rather than createElement, we still
                    // enter this case, making this check necessary.
                    if ($this->_usedcreateelement) {