A PHP Error was encountered

Severity: 8192

Message: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

Filename: core/Common.php

Line Number: 735

Backtrace:

File: /var/www/html/wdiarium/application/core/Core_Controller.php
Line: 249
Function: xss_clean

File: /var/www/html/wdiarium/application/controllers/Profile_controller.php
Line: 37
Function: paginate

File: /var/www/html/wdiarium/index.php
Line: 325
Function: require_once