Php/docs/mysqli.get-host-info
mysqli::$host_info
mysqli_get_host_info
(PHP 5, PHP 7)
mysqli::$host_info -- mysqli_get_host_info — 返回一个表述使用的连接类型的字符串
说明
面向对象风格
string $mysqli->host_info;
过程化风格
mysqli_get_host_info
( mysqli $link
) : string
返回一个字符串，描述被link 参数所表述的连接 (包括服务器主机名).
返回值
一个特征字符串，表述服务器主机名和连接类型.
范例
Example #1 $mysqli->host_info example
面向对象风格
<?php$mysqli = new mysqli("localhost", "my_user", "my_password", "world");/* check connection */if (mysqli_connect_errno()) { printf("Connect failed: %s\n", mysqli_connect_error()); exit();}/* print host information */printf("Host info: %s\n", $mysqli->host_info);/* close connection */$mysqli->close();?>
过程化风格
<?php$link = mysqli_connect("localhost", "my_user", "my_password", "world");/* check connection */if (mysqli_connect_errno()) { printf("Connect failed: %s\n", mysqli_connect_error()); exit();}/* print host information */printf("Host info: %s\n", mysqli_get_host_info($link));/* close connection */mysqli_close($link);?>
以上例程会输出：
Host info: Localhost via UNIX socket
