Display only zip, city in address in shipments using WooCommerce PDF Invoice, Packing Slip, Delivery Note plugin

functions.php

<?php //do not copy this line

add_filter('wf_pklist_alter_shipping_address','wf_pklist_alter_address_fn',10,3);
add_filter('wf_pklist_alter_billing_address','wf_pklist_alter_address_fn',10,3);
add_filter('wf_pklist_alter_shipping_from_address','wf_pklist_alter_address_fn',10,3);
function wf_pklist_alter_address_fn($address, $template_type, $order)
{
	$arr=array($address['postcode'], $address['city']);
	$address['city']=implode(", ",$arr);
	unset($address['postcode']);
	unset($address['state']);
	unset($address['country']);
	return $address;
}