Habari\InstallHandler::check_htaccess PHP Метод

    public function check_htaccess()
    {
        // default is assume we have mod_rewrite
        $this->handler_vars['no_mod_rewrite'] = false;
        // If this is the mod_rewrite check request, then bounce it as a success.
        if (strpos($_SERVER['REQUEST_URI'], 'check_mod_rewrite') !== false) {
            echo 'ok';
            exit;
        }
        if (false === strpos($_SERVER['SERVER_SOFTWARE'], 'Apache')) {
            // .htaccess is only needed on Apache
            // @TODO: add support for IIS and lighttpd rewrites
            return true;
        }
        $result = false;
        if (file_exists(HABARI_PATH . '/.htaccess')) {
            $htaccess = file_get_contents(HABARI_PATH . '/.htaccess');
            if (false === strpos($htaccess, 'HABARI')) {
                // the Habari block does not exist in this file
                // so try to create it
                $result = $this->write_htaccess(true);
            } else {
                // the Habari block exists
                $result = true;
            }
        } else {
            // no .htaccess exists.  Try to create one
            $result = $this->write_htaccess();
        }
        if ($result) {
            // the Habari block exists, but we need to make sure
            // it is correct.
            // Check that the rewrite rules actually do the job.
            $test_ajax_url = Site::get_url('site') . '/check_mod_rewrite';
            $rr = new RemoteRequest($test_ajax_url, 'POST', 5);
            try {
                $rr_result = $rr->execute();
            } catch (\Exception $e) {
                $result = $this->write_htaccess(true, true, true);
            }
        }
        return $result;
    }