Change shipping From address to ship To address using - - WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee

functions.php

add_filter('wf_alter_shipping_from_address','wt_alter_shipping_from_address',10, 3);

function wt_alter_shipping_from_address($address, $document_type, $order){

        if($document_type=='dispatchlabel'){    

            $order_id = (WC()->version < '2.7.0') ? $order->id : $order->get_id();
            $fromaddress = array();
            $countries = new WC_Countries;
            $shipping_country = get_post_meta($order_id, '_shipping_country', true);
            $shipping_state = get_post_meta($order_id, '_shipping_state', true);
            $shipping_state_full = ( $shipping_country && $shipping_state && isset($countries->states[$shipping_country][$shipping_state]) ) ? $countries->states[$shipping_country][$shipping_state] : $shipping_state;
            $shipping_country_full = ( $shipping_country && isset($countries->countries[$shipping_country]) ) ? $countries->countries[$shipping_country] : $shipping_country;
        
            $fromaddress['sender_name'] = $order->shipping_first_name.' '.$order->shipping_last_name;
            $fromaddress['sender_address_line1'] = $order->shipping_address_1;
            $fromaddress['sender_address_line2'] = $order->shipping_address_2;
            $fromaddress['sender_city'] = $order->shipping_city;
            $fromaddress['sender_state'] = get_option('woocommerce_wf_state_code_disable') != '' && get_option('woocommerce_wf_state_code_disable') === 'yes' ? $shipping_state_full : $shipping_state;
            $fromaddress['sender_country'] = $shipping_country_full;
            $fromaddress['sender_postalcode'] = $order->shipping_postcode;
            return $fromaddress;
              
        }
              
        return $address;

}