if ('11') { $prev = 'http://'.$_SERVER['HTTP_HOST'].'/search/vintage/11'; } ?> if ('11' == '1') { $prev = 'http://'.$_SERVER['HTTP_HOST'].'/search/vintage/1'; } ?> if ('13' && '13' <= 10) { $next = 'http://'.$_SERVER['HTTP_HOST'].'/search/vintage/13'; } ?>