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Ce document utilise Manuel du site Web PHP chinois Libérer
(PHP 5)
mysqli::$host_info -- mysqli_get_host_info — 返回一个表述使用的连接类型的字符串
面向对象风格
过程化风格
$link
)
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).
link
仅以过程化样式:由 mysqli_connect() 或 mysqli_init() 返回的链接标识。
一个特征字符串,表述服务器主机名和连接类型.
Example #1 $mysqli->host_info example
面向对象风格
<?php
$mysqli = new mysqli ( "localhost" , "my_user" , "my_password" , "world" );
if ( mysqli_connect_errno ()) {
printf ( "Connect failed: %s\n" , mysqli_connect_error ());
exit();
}
printf ( "Host info: %s\n" , $mysqli -> host_info );
$mysqli -> close ();
?>
过程化风格
<?php
$link = mysqli_connect ( "localhost" , "my_user" , "my_password" , "world" );
if ( mysqli_connect_errno ()) {
printf ( "Connect failed: %s\n" , mysqli_connect_error ());
exit();
}
printf ( "Host info: %s\n" , mysqli_get_host_info ( $link ));
mysqli_close ( $link );
?>
以上例程会输出:
Host info: Localhost via UNIX socket