Safari 3.2.1 not showing up

      
}else if ( strpos($sAgent, 'DDDDDD') !== false ){
      return TRUE;
}

Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_4_11; en) AppleWebKit/525.27.1 (KHTML, like Gecko) Version/3.2.1 Safari/525.27.1