php json_decode json_encode 想問問，怎麽把\u5f71\uff0c\u53ea\u970018\u5206\u949f換回漢字

$jsons = json_encode($json);

//用正則轉換還原成中文，

$jsons = preg_replace("#\\\u([0-9a-f]{4}+)#ie", "iconv('UCS-2', 'UTF-8', pack('H4', '\\1'))", $jsons);