vendor/omnipay/common/src/Common/GatewayFactory.php

<?php
namespace Omnipay\Common;
 
use Omnipay\Common\Exception\RuntimeException;
use Omnipay\Common\Http\ClientInterface;
use Symfony\Component\HttpFoundation\Request as HttpRequest;
 
class GatewayFactory
{
    private $gateways = array();
 
    public function all()
    {
        return $this->gateways;
    }
 
    public function replace(array $gateways)
    {
        $this->gateways = $gateways;
    }
 
    public function register($className)
    {
        if (!in_array($className, $this->gateways)) {
            $this->gateways[] = $className;
        }
    }
 
    public function create($class, ClientInterface $httpClient = null, HttpRequest $httpRequest = null)
    {
        $class = Helper::getGatewayClassName($class);
 
        if (!class_exists($class)) {
            throw new RuntimeException("Class '$class' not found");
        }
 
        return new $class($httpClient, $httpRequest);
    }
}