WordPress plugin: Debug Rapyd Card payment callback

rapyd_card_payment_callback_debug.php

<?php
/**
 * Plugin Name:  Debug Rapyd Card payment callback.
 * Description:  This plugin saves the payload from the Rapyd Card callback into the order meta under the 'debug' key.
 * Plugin URI:   https://gist.github.com/birgire/beb3806eb15db4431e2ae0c35c6b53c4
 * Author:       birgire
 * Author URI:   https://github.com/birgire
 * License:      MIT
 * Version:      0.0.4
 */

namespace Birgir\Rapyd\Debug;

add_action( 'woocommerce_api_rapyd_card_payment_callback', __NAMESPACE__ . '\rapyd_card_payment_callback' );

function rapyd_card_payment_callback () {

	$body = json_decode( file_get_contents( 'php://input' ), true );

	if ( ! isset( $body['order_id'] ) ) {
		return;
	}

	if ( ! is_numeric( $body['order_id'] ) ) {
		return;
	}

	$order = wc_get_order( absint( $body['order_id'] ) );

	if ( ! $order ) {
		return;
	}

	update_post_meta( $order->get_id(), 'debug', json_encode( $body ) );
}