Only variable references should be returned by reference - Code Igniter

Error Message : Only variable references should be returned by reference - Code Igniter
 

A PHP Error was encountered
Severity: Notice
Message: Only variable references should be returned by reference
Filename: core/Common.php
Line Number: 257

Solusi :

Edit filename: core/Common.php, line number: 257 

Before

return $_config[0] =& $config; 

After

$_config[0] =& $config;
return $_config[0]; 

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