displaying data by month

[Kungfu]

$month = date('m');
$year = date('Y');
$month2 = ($month<=12)?($month+1):1;
$year2 = ($month<=12)?$year$year+1);

dateline >= ".mktime(0, 0, 0, $month , 1, $year)." AND dateline <= ".mktime(0, 0, -1, $month2, 1, $year2)