定义和用法
mysqli_get_host_info() 函数返回 MySQL 服务器主机名和连接类型。
语法
mysqli_get_host_info(connection);
返回 MySQL 服务器主机名和连接类型:
<?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // 检测连接 if (mysqli_connect_errno($con)) { echo "数据库连接失败: " . mysqli_connect_error(); } echo mysqli_get_host_info($con); mysqli_close($con); ?>