controllerbuilder.php

<?php
namespace Bitrix\Main\Engine;
 
 
use Bitrix\Main\ObjectException;
 
final class ControllerBuilder
{
    public static function build(string $controllerClass, $options): Controller
    {
        try
        {
            $scope = $options['scope'] ?? Controller::SCOPE_AJAX;
            $currentUser = $options['currentUser'] ?? CurrentUser::get();
 
            $reflectionClass = new \ReflectionClass($controllerClass);
            if ($reflectionClass->isAbstract())
            {
                throw new ObjectException("Controller class should be non abstract.");
            }
 
            if (!$reflectionClass->isSubclassOf(Controller::class))
            {
                throw new ObjectException("Controller class should be subclass of \Bitrix\Main\Engine\Controller.");
            }
 
            $controller = $reflectionClass->newInstance();
            $controller->setScope($scope);
            $controller->setCurrentUser($currentUser);
 
            return $controller;
        }
        catch (\ReflectionException $exception)
        {
            throw new ObjectException("Unable to construct controller {{$controllerClass}}.", $exception);
        }
    }
}