(PHP 5, PHP 7, PHP 8)
mysqli::$host_info -- mysqli_get_host_info — 返回一個(gè)表述使用的連接類型的字符串
面向?qū)ο箫L(fēng)格
過程化風(fēng)格
返回一個(gè)字符串,描述被link
參數(shù)所表述的連接 (包括服務(wù)器主機(jī)名).
一個(gè)特征字符串,表述服務(wù)器主機(jī)名和連接類型.
示例 #1 $mysqli->host_info example
面向?qū)ο箫L(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