Compatibility issues between CodeIgniter and PHP56

Error message:

A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 257

Original code:

return $_config[0] =& $config;

After modification:

$_config[0] =& $config;

return $_config[0];

The above content is reproduced from Wan Charming’s blog http:/ /blog.sina.com.cn/s/blog_6718a8f40102vz05.html

The above introduces the compatibility issues between CodeIgniter and PHP56, including the relevant aspects. I hope it will be helpful to friends who are interested in PHP tutorials.