get('POST'); $categories = (array)$postData['categories']; $universeNameData = []; if( array_key_exists('arg1', $params) && !empty($search = strtolower($params['arg1'])) && !empty($categories) ){ $universeNameData = Ccp\Universe::searchUniverseNameData($categories, $search); } echo json_encode($universeNameData); } }