PHP json_encode陣列接取

Question

我正在特林得到的查詢字符串ID幾乎工程JSON請求，但它是增加 somesort額外的數組對象

$id = $_GET['id']; 
$result = mysqli_query($con,'SELECT * FROM ContactInfo WHERE id =' . $id); 
$row = mysqli_fetch_array($result); 
echo json_encode($row); 

{"0":"terry","FirstName":"terry","1":"rihoff","LastName":"rieff","2":"alientory","website":"alieory","3":"`123","PhoneNumber":"`123","4":"123","Fax":"123","5":"2","id":"2"} 

我只能得到一個接觸，但看起來像exrtra數組被添加到每個字段

Answer 1

mysqli_fetch_array()返回一個數字和字符串鍵的數組，因此您有兩次數據（一次使用數字索引，一次使用字符串索引）。嘗試：

$row = mysqli_fetch_assoc($result); 

或者：

$row = mysqli_fetch_array($result, MYSQLI_ASSOC);