}
$group = $params['group'] ?? NULL;
- if (!empty($group) && is_array($group)) {
- unset($params['group']);
+ $params['group'] = ($params['group'] == '') ? [] : $params['group'];
+ if (!empty($group)) {
+ $group = is_array($group) ? $group : explode(',', $group);
+ $params['group'] = [];
foreach ($group as $key => $value) {
$params['group'][$value] = 1;
}