How to fix > CodeIgniter Error in core/Common.php line 257
If you see this error code on your website page :
A PHP Error was encountered
Message: Only variable references should be returned by reference
Line Number: 257
Here is the fix :
Open this file:
on line 257 you should see :
return $_config =& $config;
Now that you have located this line, Completely replace this line so that you get this:
$_config =& $config; return $_config;
Save This File!
Refresh your website and the error should be gone ! Enjoy !