CodeIgniter与PHP5.6的兼容问题 错误提示: A PHP Error was encountered Severity: Notice Message: Only variable references should be returned by reference Filename: core/Common.php Line Number: 257 原代码: return $_config[0] =& $config; 修改后: $_config[0] =& $config; return $_config[0]; 以上所述就是本文的全部内容了,希望大家能够喜欢。