Merge branch 'MDL-54991-31' of git://github.com/crazyserver/moodle into MOODLE_31_STABLE

2016-06-28 15:32:24 +08:00
parent 25a4f6c2d6 41931b749d
commit 04bb5da9de
1 changed files with 3 additions and 0 deletions
@@ -2433,7 +2433,10 @@ class mod_assign_external extends external_api {
            // We need to change the type of some of the structures retrieved from the renderable.
            if (!empty($lastattempt->submissiongroup)) {
                $lastattempt->submissiongroup = $lastattempt->submissiongroup->id;
+            } else {
+                unset($lastattempt->submissiongroup);
            }
+
            if (!empty($lastattempt->usergroups)) {
                $lastattempt->usergroups = array_keys($lastattempt->usergroups);
            }