$json = array("status" => 1, "msg" => "Done");
$json .=array("mailid" => $row["mailid"], "usertype" => $row["user_type"]);
echo json_encode($json,JSON_FORCE_OBJECT);
但是我得到"数组阵列"作为输出。
不能对数组、用户array_merge使用字符串 concatenation(.( 操作
请像这样尝试
$json = array("status" => 1, "msg" => "Done");
$json_full= array_merge($json,array("mailid" => $row["mailid"], "usertype" => $row["user_type"]));
echo json_encode($json_full,JSON_FORCE_OBJECT);