MDL-65605 core_question: Fix the issue when get_draft_files returns nul

moodle · May 20, 2019 · 159f904 · 159f904
1 parent a01edef
commit 159f904
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/question/import_form.php b/question/import_form.php
@@ -112,6 +112,7 @@ protected function definition() {
      * @param array $data the submitted data.
      * @param array $errors the errors so far.
      * @return array the updated errors.
+     * @throws moodle_exception
      */
     protected function validate_uploaded_file($data, $errors) {
         if (empty($data['newfile'])) {
@@ -120,7 +121,7 @@ protected function validate_uploaded_file($data, $errors) {
         }
 
         $files = $this->get_draft_files('newfile');
-        if (count($files) < 1) {
+        if (!is_array($files) || count($files) < 1) {
             $errors['newfile'] = get_string('required');
             return $errors;
         }