Contao\CoreBundle\Composer\ScriptHandler::executeCommand PHP Метод

    private static function executeCommand($cmd, Event $event)
    {
        $phpFinder = new PhpExecutableFinder();
        if (false === ($phpPath = $phpFinder->find())) {
            throw new \RuntimeException('The php executable could not be found.');
        }
        $process = new Process(sprintf('%s %s/console %s %s%s%s', $phpPath, self::getBinDir($event), $cmd, self::getWebDir($event), $event->getIO()->isDecorated() ? ' --ansi' : '', self::getVerbosityFlag($event)));
        $process->run(function ($type, $buffer) use($event) {
            $event->getIO()->write($buffer, false);
        });
        if (!$process->isSuccessful()) {
            throw new \RuntimeException(sprintf('An error occurred while executing the "%s" command.', $cmd));
        }
    }