數(shù)據(jù)庫：ID  str域1   x.com2   y.com3   z.com$domainSettings = array();$db_domainList = DB::get("SELECT strDomain FROM domains ORDER BY id ASC;");foreach($db_domainList as $row) {    $domainSettings = array($row->strDomain);}$result = array('allowedDomains' => $domainSettings);echo json_encode($result, JSON_FORCE_OBJECT);當(dāng)前輸出：{"allowedDomains":{"0":"x.com"}}我需要類似于這樣的輸出：{"allowedDomains":"x.com","y.com","z.com"}輸出echo json_encode($db_domainList);：[{"strDomain":"x.com"},{"strDomain":"z.com"},{"strDomain":"y.com"}]