Severity: 8192
Message: trim(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: database/DB_query_builder.php
Line Number: 1204
Backtrace:
File: /home/zadukata/public_html/application/models/Category_model.php
Line: 39
Function: order_by
File: /home/zadukata/public_html/application/controllers/Products.php
Line: 167
Function: get_categories
File: /home/zadukata/public_html/index.php
Line: 315
Function: require_once
