public function actionSubcat()
{
$out = [];
$isEmpty = true;
if (isset($_POST['depdrop_parents'])) {
$parents = $_POST['depdrop_parents'];
if ($parents != null) {
$cat_id = $parents[0];
$out = Group::getDropDownList($cat_id);
//$out = [['id'=>'1', 'name'=>$cat_id],['id'=>'2', 'name'=>json_encode(Group::getDropDownList($cat_id))]];
$isEmpty = false;
$selected = '';
if (!empty($_POST['depdrop_params'])) {
$params = $_POST['depdrop_params'];
$selected = $params[0];
// get the value of input-type-1
$param2 = $params[1];
// get the value of input-type-2
}
echo Json::encode(['output' => $out, 'selected' => $selected]);
}
}
if ($isEmpty) {
echo Json::encode(['output' => [['id' => '1', 'name' => '<sub-cat-name1>'], ['id' => '2', 'name' => '<sub-cat-name2>']], 'selected' => '']);
}
}