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MDL-65605 mod_lesson: Fix the issue when get_draft_files returns null

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This commit is contained in:
Shamim Rezaie 2019-05-15 17:47:50 +10:00
parent a866c5c238
commit a9d62c4513
1 changed files with 2 additions and 1 deletions
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3
mod/lesson/import_form.php
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@ -59,6 +59,7 @@ class lesson_import_form extends moodleform {
* @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) {
global $CFG;
@ -69,7 +70,7 @@ class lesson_import_form extends moodleform {
}
$files = $this->get_draft_files('questionfile');
if (count($files) < 1) {
if (!is_array($files) || count($files) < 1) {
$errors['questionfile'] = get_string('required');
return $errors;
}