MDL-19756 better broken param diag

moodle · Jul 27, 2009 · 5db2b59 · 5db2b59
1 parent da65c53
commit 5db2b59
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/outputlib.php b/lib/outputlib.php
@@ -2435,7 +2435,7 @@ public function confirm($message, $continue, $cancel) {
      * @return string HTML fragment
      */
     public function button($form) {
-        if (empty($form->button)) {
+        if (empty($form->button) or !($form->button instanceof html_button)) {
             throw new coding_exception('$OUTPUT->button($form) requires $form to have a button (html_button) value');
         }