bencroker

{% set variantParam = 'variant' %}

{# set product #}
{% set product = craft.products.id(productId).one() %}

{# set variant #}
{% set variant = product.defaultVariant %}

{# overvrite default variant with url param #}
{% if product.variants|filter(v => v.id == craft.app.request.getParam(variantParam)) is not empty %}

bencroker

<?php
namespace modules;

use Craft;
use craft\controllers\EntriesController;
use craft\controllers\UsersController;
use yii\base\ActionEvent;
use yii\base\Event;
use yii\base\Module;
use yii\web\ForbiddenHttpException;

bencroker

Craft 4 Plugin Changes

Composer Requirements

Before

"require": {
   "craftcms/cms": "^3.0.0"
},

After

bencroker

<?php
/**
 * Sample Craft Pest tests.
 *
 * @copyright Copyright (c) PutYourLightsOn
 */

use markhuot\craftpest\factories\Entry;
use markhuot\craftpest\factories\User;