Markette\Gopay\DI\Extension::setupServices PHP Метод

    private function setupServices()
    {
        $builder = $this->getContainerBuilder();
        $config = $this->validateConfig($this->defaults);
        $gopay = $builder->getDefinition($this->prefix('gopay'));
        $services = ['payment' => PaymentService::class, 'recurrentPayment' => RecurrentPaymentService::class, 'preAuthorizedPayment' => PreAuthorizedPaymentService::class];
        foreach ($services as $serviceName => $serviceClass) {
            $def = $builder->addDefinition($this->prefix("service.{$serviceName}"))->setClass($serviceClass, [$gopay]);
            if (is_bool($config['payments']['changeChannel'])) {
                $def->addSetup('allowChangeChannel', [$config['payments']['changeChannel']]);
            }
            if (isset($config['payments']['channels'])) {
                $constants = ClassType::from(Gopay::class);
                foreach ($config['payments']['channels'] as $code => $channel) {
                    $constChannel = 'METHOD_' . strtoupper($code);
                    if ($constants->hasConstant($constChannel)) {
                        $code = $constants->getConstant($constChannel);
                    }
                    if (is_array($channel)) {
                        $channel['code'] = $code;
                        $def->addSetup('addChannel', $channel);
                    } else {
                        if (is_scalar($channel)) {
                            $def->addSetup('addChannel', [$code, $channel]);
                        }
                    }
                }
            }
        }
    }