0) { switch($n) { case 4 : $class = 'col-sm-6 col-md-3'; break; case 3 : $class = 'col-xs-12 col-sm-12 col-md-4'; break; case 2 : $class = 'col-xs-12 col-md-6'; break; default : $class = 'col-md-12'; } ?>