barryhughes

<?php

/**
 * When the product permalink structure is `product/%product_cat%`, WooCommerce (9.3.x or earlier)
 * accepts any value as the `%product_cat%`, which is not always desirable. 
 * 
 * This snippet attempts to detect this situation, and will redirect to the canonical URL as needed.
 * You can add it as a mu-plugin. For example:
 * 
 *     wp-content/mu-plugins/canonical-product-redirect.php

barryhughes

<?php

/**
 * Removes the 'site visibility badge' from the WordPress admin bar.
 *
 * Intended for use with WooCommerce 9.3.1, can be used via a code
 * snippet manager or else you may wish to add as a mu-plugin, ie:
 *
 *     wp-content/mu-plugin/disable-site-visibility-badge.php
 */

barryhughes

<?php

add_filter(
	'rest_post_dispatch',
	function ( $response, $server, $request ) {
		if (
			$request->get_route() === '/wc/v3/orders'
			&& $request->get_param( '_fields' ) === [ 'id' ]
			&& $request->get_param( '_vendor' ) === 'flag'
		) {

barryhughes

<?php

$tests = [
	true,
	false,
	-1,
	0,
	1,
	-5.0,
	1.0,

barryhughes

<?php
/**
 * Simple approach showing a structured approach to associating arbitrary, ephemeral
 * (non-persisted) data with individual product objects and other entities.
 * 
 * Benefits include avoidance of collisions between two plugins using the same key,
 * the range of checks that can be applied to stored values, etc.
 *
 * @link https://github.com/woocommerce/woocommerce/issues/45286
 */

barryhughes

<?php
/**
 * Assigns currently unassigned product attribute terms to products, to try and
 * replicate the problem in the linked issue. Also generates new unassigned terms
 * on each request, to further exacerbate things.
 *
 * We deliberately do not use the WooCommerce API, because in this case we are
 * try to circumvent WC's cache invalidation logic.
 *
 * @see https://github.com/woocommerce/woocommerce/issues/17355

barryhughes

<?php
/**
 * Plugin name: Detect Legacy REST API Usage (WooCommerce)
 * Description: Attempts to detect and log usage of WooCommerce's legacy REST API.
 * Version:     2023-11-24.1
 */

function detect_and_log_wc_legacy_api_requests() {
	global $wp;

barryhughes

<?php

/**
 * The top-seller query (used for the WooCommerce Status dashboard widget)
 * runs on every dashboard request.
 *
 * It can effectively be nullified using this snippet, if the performance
 * impact is too great.
 *
 * (Tested with WC 8.0.2)

barryhughes

<?php

/**
 * Modify /wp-json/wc/store/v1/products/<ID> so that it returns more complete data about each variation.
 *
 * Not extensively tested, just captures an idea about how we might do this.
 */
add_filter( 'rest_request_after_callbacks', function ( $response, $handler, $request ) {
	// If this is not a Store API product request, do not interfere.
	if ( ! str_starts_with( $request->get_route(), '/wc/store/v1/products/' ) || $request->get_method() !== 'GET' ) {

barryhughes

diff --git a/plugins/woocommerce/includes/shipping/flat-rate/class-wc-shipping-flat-rate.php b/plugins/woocommerce/includes/shipping/flat-rate/class-wc-shipping-flat-rate.php
index 4b140a814f..5719a8a12b 100644
--- a/plugins/woocommerce/includes/shipping/flat-rate/class-wc-shipping-flat-rate.php
+++ b/plugins/woocommerce/includes/shipping/flat-rate/class-wc-shipping-flat-rate.php
@@ -177,8 +177,16 @@ class WC_Shipping_Flat_Rate extends WC_Shipping_Method {
 				// Also handles BW compatibility when slugs were used instead of ids.
 				$shipping_class_term = get_term_by( 'slug', $shipping_class, 'product_shipping_class' );
 				$class_cost_string   = $shipping_class_term && $shipping_class_term->term_id ? $this->get_option( 'class_cost_' . $shipping_class_term->term_id, $this->get_option( 'class_cost_' . $shipping_class, '' ) ) : $this->get_option( 'no_class_cost', '' );
-
-				if ( '' === $class_cost_string ) {