Pop\Project\Install::getPop PHP Метод

    public static function getPop()
    {
        $msg = I18n::factory()->__('Enter the folder where the \'vendor\' folder is contained in relation to the current folder: ');
        echo $msg;
        $input = null;
        while (!file_exists($input . '/vendor/PopPHPFramework/src/Pop/Loader/Autoloader.php')) {
            if (null !== $input) {
                echo I18n::factory()->__('Pop PHP Framework not found. Try again.') . PHP_EOL . $msg;
            }
            $prompt = fopen("php://stdin", "r");
            $input = fgets($prompt, 255);
            $input = rtrim($input);
            fclose($prompt);
        }
        return $input;
    }