Codeigniter php5.6提示Only variable references should be returned by reference 解决方法

共计 257 个字符，预计需要花费 1 分钟才能阅读完成。

Codeigniter 2.x项目提示

A PHP Error was encountered
Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 257

解决方法

进入system/core,修改Common.php 257行

修改前

return $_config[0] =& $config;

修改后

$_config[0] =& $config;

return $_config[0];