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解决Deprecated:mysql_connect():Themysqlextensionisdeprecatedandwillberemovedinthefuture:usemysqliorPDOinsteadin

时间:2021-07-01 10:21:17 帮助过:10人阅读

解决Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in,pdomysqli

php 5个版本,5.2、5.3、5.4、5.5,怕跟不上时代,新的服务器直接上5.5,但是程序出现如下错误:

Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in,

看意思就很明了,说mysql_connect这个模块将在未来弃用,请你使用mysqli或者PDO来替代。

相关mysql视频教程推荐:《mysql教程》

解决方法1:

禁止php报错

1 2 3display_errors = On改为display_errors = Off

鉴于这个服务器都是给用户用的,有时候他们需要报错(...都是给朋友用的,^_^),不能这做,让他们改程序吧,看方案2.

解决方法2:

常用的php语法连接mysql如下

1 2 3 4 5 6 7<?php$link = mysql_connect('localhost', 'user', 'password');mysql_select_db('dbname', $link); 改成mysqi<?php$link = mysqli_connect('localhost', 'user', 'password', 'dbname');

常用mysql建表SQL如下

1 2 3 4 5<?php// 老的mysql_query('CREATE TEMPORARY TABLE `table`', $link);// 新的mysqli_query($link, 'CREATE TEMPORARY TABLE `table`');

解决方法三:

在php程序代码里面设置报警级别

1 2<?phperror_reporting(E_ALL ^ E_DEPRECATED);

Deprecated的问题就这样解决掉了,不过还是建议大家尽快取消mysql的用法,全部都走向mysqli或者mysqlnd等等。mysql确实是太不安全而且太老旧了。

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