# woo-postnl/4.0.0/includes/compatibility/class-wcpdf-compatibility.php

PostNL for WooCommerce, version 4.0.0. 73 lines.

- Page: https://pluginprobe.com/plugins/woo-postnl/4.0.0/code/includes/compatibility/class-wcpdf-compatibility.php
- Raw: https://pluginprobe.com/plugins/woo-postnl/4.0.0/raw/includes/compatibility/class-wcpdf-compatibility.php
- Modified: 2021-01-04T09:21:08+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/woo-postnl/4.0.0/code/includes/compatibility/class-wcpdf-compatibility.php#L10-L20`.

```php
<?php

namespace WPO\WC\PostNL\Compatibility;

use Exception;
use WCPN_Frontend;
use WPO\WC\PostNL\Compatibility\Order as WCX_Order;

/**
 * Class for compatibility with the WooCommerce PDF Invoices & Packing Slips Premium Templates plugin.
 *
 * @package WPO\WC\PostNL\Compatibility
 */
class WCPN_WCPDF_Compatibility
{
    public static function add_filters()
    {
        // WooCommerce PDF Invoices & Packing Slips Premium Templates compatibility
        add_filter("wpo_wcpdf_templates_replace_postnl_tracktrace", [__CLASS__, "track_trace"], 10, 2);
        add_filter("wpo_wcpdf_templates_replace_postnl_track_trace", [__CLASS__, "track_trace"], 10, 2);

        add_filter("wpo_wcpdf_templates_replace_postnl_tracktrace_link", [__CLASS__, "track_trace_link"], 10, 2);
        add_filter("wpo_wcpdf_templates_replace_postnl_track_trace_link", [__CLASS__, "track_trace_link"], 10, 2);
    }

    /**
     * @param $replacement
     * @param $order
     *
     * @return string
     * @throws Exception
     */
    public function track_trace($replacement, $order): string
    {
        $shipments = WCPN_Frontend::getTrackTraceShipments(WCX_Order::get_id($order));

        $track_trace = [];

        foreach ($shipments as $shipment) {
            if (! empty($shipment['track_trace'])) {
                $track_trace[] = $shipment['track_trace'];
            }
        }

        return implode(', ', $track_trace);
    }

    /**
     * @param $replacement
     * @param $order
     *
     * @return string
     * @throws Exception
     */
    public function track_trace_link($replacement, $order): string
    {
        $track_trace_links = WCPN_Frontend::getTrackTraceLinks(WCX_Order::get_id($order));

        $track_trace_links = array_map(
            function ($link) {
                return $link["link"];
            },
            $track_trace_links
        );

        if (! empty($track_trace_links)) {
            $replacement = implode(', ', $track_trace_links);
        }

        return $replacement;
    }
}

```