mysqli::close

定义和用法

close() / mysqli_close() 函数用于关闭先前打开的数据库连接。

实例

例子 1 - 面向对象风格

关闭先前打开的数据库连接：

<?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();
}

// ....一些 PHP 代码...

$mysqli -> close();
?>

例子 2 - 过程式风格

关闭先前打开的数据库连接：

<?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;
}

// ....一些 PHP 代码...

mysqli_close($con);
?>