get_host_info

定义和用法

host_info() / mysqli_get_host_info() 函数返回 MySQL 服务器主机名和连接类型。

实例

例子 1 - 面向对象风格

返回服务器主机名和连接类型：

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

if ($mysqli -> connect_errno) {
  echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
  exit();
}

echo $mysqli -> host_info();

$mysqli -> close();
?>

例子 2 - 过程式风格

返回服务器主机名和连接类型：

<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  exit();
}

echo mysqli_get_host_info($con);

mysqli_close($con);
?>