A PHP Error was encountered

Severity: 8192

Message: explode(): Passing null to parameter #2 ($string) of type string is deprecated

Filename: helpers/function_helper.php

Line Number: 3221

Backtrace:

File: /home2/easyirkb/freshneeds/application/helpers/function_helper.php
Line: 3221
Function: explode

File: /home2/easyirkb/freshneeds/application/views/front-end/modern/pages/product-page.php
Line: 221
Function: get_price_range_of_product

File: /home2/easyirkb/freshneeds/application/views/front-end/modern/template.php
Line: 72
Function: view

File: /home2/easyirkb/freshneeds/application/controllers/Products.php
Line: 376
Function: view

File: /home2/easyirkb/freshneeds/index.php
Line: 315
Function: require_once