Commit 16c7457f authored by Tim Hunt's avatar Tim Hunt
Browse files

MDL-36076 qtype multichoice: validation fails on '0' answer.

parent ecfe814e
......@@ -110,10 +110,10 @@ class qtype_multichoice_edit_form extends question_edit_form {
//check no of choices
$trimmedanswer = trim($answer['text']);
$fraction = (float) $data['fraction'][$key];
if (empty($trimmedanswer) && empty($fraction)) {
if ($trimmedanswer === '' && empty($fraction)) {
continue;
}
if (empty($trimmedanswer)) {
if ($trimmedanswer === '') {
$errors['fraction['.$key.']'] = get_string('errgradesetanswerblank', 'qtype_multichoice');
}
......
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