if ('5') { $prev = 'http://'.$_SERVER['HTTP_HOST'].'/search/ass/5'; } ?> if ('5' == '1') { $prev = 'http://'.$_SERVER['HTTP_HOST'].'/search/ass/1'; } ?> if ('7' && '7' <= 10) { $next = 'http://'.$_SERVER['HTTP_HOST'].'/search/ass/7'; } ?>