This package can be used in Laravel 5.4 or higher.
You can install the package via composer:
composer require pixwell-dev/laravel-adyen
Now add the service provider in config/app.php
file:
'providers' => [
// ...
Pixwell\LaravelAdyen\AdyenServiceProvider::class,
];
You can publish the config file with:
php artisan vendor:publish --provider="Pixwell\LaravelAdyen\AdyenServiceProvider" --tag="config"
Once setup, you can use the Adyen PHP classes as spelled out in the documentation.