Workerman\Protocols\Http::end PHP Method

    public static function end($msg = '')
    {
        if (PHP_SAPI != 'cli') {
            exit($msg);
        }
        if ($msg) {
            echo $msg;
        }
        throw new \Exception('jump_exit');
    }

/**
 * 退出
 * @param string $str
 */
function _exit($str = '')
{
    if (defined('WORKERMAN_ROOT_DIR')) {
        return Http::end($str);
    }
    return exit($str);
}