(PHP 5)
mysqli::$host_info -- mysqli_get_host_info — Returns a string representing the type of connection used
面向对象风格
过程化风格
Returns a string describing the connection represented by
the link parameter (including
the server host name).
A character string representing the server hostname and the connection type.
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