$text = str_ireplace("<a", '<a target="_blank" ', $text);

        $text = preg_replace("#<(.*?)<a#i", "<a", $text);
        $text = preg_replace("#>(.*?)</a>#i", "><span style='color:#0000cd;text-decoration: underline;font-weight: bold'>أضغط هنا</span></a>", $text);