PHP mysqli_connect_error() 函数
PHP 教程
· 2019-01-27 18:11:48
实例
返回上一次连接错误的错误描述:
<?php
$con=mysqli_connect("localhost","wrong_user","my_password","my_db");
// 检查连接
if (!$con)
{
die("连接错误: " . mysqli_connect_error();
}
?>
$con=mysqli_connect("localhost","wrong_user","my_password","my_db");
// 检查连接
if (!$con)
{
die("连接错误: " . mysqli_connect_error();
}
?>
定义和用法
mysqli_connect_error() 函数返回上一次连接错误的错误描述。
语法
mysqli_connect_error();
技术细节
| 返回值: | 返回一个描述错误的字符串。如果没有错误发生则返回 NULL。 |
|---|---|
| PHP 版本: | 5+ |
点击查看所有 PHP 教程 文章: https://www.codercto.com/courses/l/5.html
Using Google App Engine
Charles Severance / O'Reilly Media / 2009-5-23 / USD 29.99
With this book, you can build exciting, scalable web applications quickly and confidently, using Google App Engine - even if you have little or no experience in programming or web development. App Eng......一起来看看 《Using Google App Engine》 这本书的介绍吧!