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: 726

Backtrace:

File: /home/u523074632/domains/wacart.in/public_html/application/controllers/Product.php
Line: 21
Function: xss_clean

File: /home/u523074632/domains/wacart.in/public_html/index.php
Line: 316
Function: require_once