Php/func mysqli get host info

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PHP host_info()/ mysqli_get_host_info()函数

MySQL PHP MySQLi参考

示例-面向对象的样式

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();
?>



在底部查看程序样式的示例。

定义和用法

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

句法

面向对象的样式:

$mysqli -> host_info

程序风格:

mysqli_get_host_info(connection)

参数值

参数 描述
connection 需要。指定要使用的MySQL连接

技术细节

返回值: 返回代表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);

 ?>



MySQL PHP MySQLi参考