A PHP Error was encountered
Severity: Notice
Message: Only variable references should be returned by reference
Filename: core/Common.php
Line Number: 257
solusi :
For Codeigniter or CI 3.0 this is working
Edit filename: core/Common.php, line number: 257
Before
return $_config[0] =& $config;
After
$_config[0] =& $config; return $_config[0];