(PHP 5, PHP 7, PHP 8)
mysqli::$host_info -- mysqli_get_host_info — 返回一個(gè)表述使用的連接類(lèi)型的字符串
面向對象風(fēng)格
過(guò)程化風(fēng)格
返回一個(gè)字符串，描述被link 參數所表述的連接 (包括服務(wù)器主機名).
一個(gè)特征字符串，表述服務(wù)器主機名和連接類(lèi)型.
示例 #1 $mysqli->host_info example
面向對象風(fēng)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();
?>
過(guò)程化風(fēng)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);
?>
以上例程會(huì )輸出：
Host info: Localhost via UNIX socket