目录

PHP host_info() / mysqli_get_host_info() 函数

❮ PHP MySQLi 参考

示例 - 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();
?>

查看底部的程序样式示例。


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。


语法

面向对象风格:

$mysqli -> host_info

程序风格:

mysqli_get_host_info( connection)

参数值

Parameter Description
connection Required. Specifies the MySQL connection to use

技术细节

返回值: 返回表示 MySQL 服务器主机名和连接类型的字符串
PHP 版本: 5+

示例 - 程序风格

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);
?>


❮ PHP MySQLi 参考