Ojs\CoreBundle\Command\InstallCommand::executeCommand PHP Method

    protected static function executeCommand(CommandEvent $event, $appDir, $cmd, $timeout = 300)
    {
        $php = escapeshellarg(self::getPhp());
        $console = escapeshellarg($appDir . '/console');
        if ($event->getIO()->isDecorated()) {
            $console .= ' --ansi';
        }
        $process = new Process($php . ' ' . $console . ' ' . $cmd, null, null, null, $timeout);
        $process->run(function ($type, $buffer) {
            echo $buffer;
        });
        if (!$process->isSuccessful()) {
            throw new \RuntimeException(sprintf('An error occurred when executing the "%s" command.', escapeshellarg($cmd)));
        }
    }