MySQLi - 連線 Errno

語法

int mysqli_connect_errno ( void )

定義和用法

它返回來自上次連線呼叫的錯誤程式碼

示例

嘗試以下示例 -

<?php
   $servername = "localhost:3306";
   $username = "root";
   $password = "";
   $dbname = "TUTORIALS";
   $conn = new mysqli($servername, $username, $password, $dbname);

   if ($conn->connect_error) {
      die("Connection failed: " . mysqli_connect_errno());
   } 
   echo "Database connected";
   mysqli_autocommit($conn,FALSE);
   mysqli_query($conn,"INSERT INTO tutorials_auto (id,name)
   
   VALUES (10,'sai')");
   mysqli_commit($conn);
   
   mysqli_close($conn);
?>

上述程式碼的示例輸出應該如下所示 -

Database connected

在上述示例中，如果你給出了錯誤的伺服器認證詳情，它將給出一個連線錯誤號。