$dyear = intval(substr($dnow, 0, 4));
$dstart = substr($dnow, 0, 8) . '01';
$dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));
$dyear = intval(substr($dnow, 0, 4));
$dstart = substr($dnow, 0, 8) . '01';
$dend = substr($dnow, 0, 8) . get_dim(intval($dnow), intval(substr($dnow, 5)));