closurewrapper.php

См. документацию.

<?php
 
namespace Bitrix\Main\Engine\ActionFilter;
 
 
use Bitrix\Main\Application;
use Bitrix\Main\Config\Configuration;
use Bitrix\Main\Event;
use Bitrix\Main\InvalidOperationException;
use Closure;
 
final class ClosureWrapper extends Base
{
    private $closure;

    public function __construct(Closure $closure)
    {
        $this->closure = $closure->bindTo($this, $this);
        parent::__construct();
    }

    public function onBeforeAction(Event $event)
    {
        $this->ensureClosure();
 
        return \call_user_func($this->closure, $event);
    }

    public function onAfterAction(Event $event)
    {
        $this->ensureClosure();
 
        return \call_user_func($this->closure, $event);
    }
 
    private function ensureClosure(): void
    {
        if ($this->closure === null)
        {
            $exception = new InvalidOperationException('Closure has "static" modifier and can\'t be used. Use non-static closure instead.');
 
            $exceptionHandling = Configuration::getValue('exception_handling');
            if (!empty($exceptionHandling['debug']))
            {
                Application::getInstance()->getExceptionHandler()->writeToLog($exception);
            }
 
            throw $exception;
        }
    }
}