<?php namespace BobGroup\BobGo\Model\Source; /** * Bob Go Free Method source implementation */ class Freemethod extends Method { /** * {@inheritdoc} */ public function toOptionArray() { //Returns an array of arrays, each of which has a 'value' and a 'label'. The 'value' is the code for the shipping method, and the 'label' is the name of the shipping method. $arr = parent::toOptionArray(); array_unshift($arr, ['value' => '', 'label' => __('None')]); return $arr; } }