PHP mysqli stat() 函数

定义和用法

stat() / mysqli_stat() 函数返回当前系统状态。

实例

例子 1 - 面向对象风格

返回当前系统状态：

<?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 "System status: ". $mysqli -> stat();

$mysqli -> close();
?>

例子 2 - 过程式风格

返回当前系统状态：

<?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 "System status: ". mysqli_stat($con);

mysqli_close($con);
?>

语法

面向对象风格：

$mysqli -> stat()

过程式风格：

mysqli_stat(connection)

技术细节