PHP mysqli_connect_error() 函数
返回上一次连接错误的错误描述:
<?php $con=mysqli_connect("localhost","wrong_user","my_password","my_db"); // 检查连接 if (!$con) { die("连接错误: " . mysqli_connect_error(); } ?>
返回上一次连接错误的错误描述:
<?php $con=mysqli_connect("localhost","wrong_user","my_password","my_db"); // 检查连接 if (!$con) { die("连接错误: " . mysqli_connect_error(); } ?>