Method setBackendUrl

rasp-install/php/install.php:175–187

($backend_url)

	}

	public function setBackendUrl($backend_url)
	{
		if (!empty($backend_url)) {
			if (parse_url($backend_url)) {
				log_tips(INFO, "openrasp.backend_url => " . $backend_url);
				$this->backend_url = $backend_url;
			} else {
				log_tips(ERROR, "backend-url option is an illegal URL.");
			}
		} else {
			log_tips(ERROR, "backend-url option cannot be empty.");
		}
	}

	public function setAppId($app_id)
	{