fix php warning in php 5.6

8 years ago · 84d0609ac6
1 changed files with 1 additions and 1 deletions
--- a/renderer.php
+++ b/renderer.php
@ -1446,7 +1446,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
        foreach ($prefdata->statuses as $st) {
            $emptyacronym = '';
            $emptydescription = '';
-            if (!empty(($prefdata->errors[$st->id]))) {
+            if (!empty($prefdata->errors) && !empty(($prefdata->errors[$st->id]))) {
                if (empty($prefdata->errors[$st->id]['acronym'])) {
                    $emptyacronym = $this->construct_notice(get_string('emptyacronym', 'mod_attendance'), 'notifyproblem');
                }