function checkLink()
    {
        if (!isset($_POST['link'])) {
            $this->sendError();
        }

        $link = strtolower(str_replace([" ",'"',"'",';','.',','], ["-",""], preg_replace("/&([a-z])[a-z]+;/i", "$1", htmlentities(trim($_POST['link'])))));

        $base = new Model\Base;
        $status = $base->checkLink($link, $_POST['aID']) === false ? 'ok' : 'error';

        $this->send(['status'=>$status,'link'=>$link]);
    }