MDL-31807 fix invalid nulls in cohort components

Credit goes to Stephen.
2012-03-03 11:09:44 +01:00
parent f24a1a74e5
commit 1cb9ca1458
1 changed files with 3 additions and 2 deletions
@@ -71,8 +71,9 @@ function cohort_add_cohort($cohort) {
 */
 function cohort_update_cohort($cohort) {
    global $DB;
-    if (isset($cohort->component) and empty($cohort->component)) {
-        $cohort->component = NULL;
+    if (property_exists($cohort, 'component') and empty($cohort->component)) {
+        // prevent NULLs
+        $cohort->component = '';
    }
    $cohort->timemodified = time();
    $DB->update_record('cohort', $cohort);