/**
* Returns the timestamp for the next occurance of [month].
*
* @param timestamp
* @param int the month of year
* @return timestamp
*/
public static function nextMonth($ts = null, $month = sfTime::JANUARY)
{
// default to now
if ($ts === null) {
$ts = sfDateTimeToolkit::now();
}
// get offsets from january
$offset1 = date('m', $ts);
$offset2 = $month;
// adjust if date wraps into next year
$offset2 += $offset2 > $offset1 ? 0 : 12;
return sfTime::addMonth($ts, $offset2 - $offset1);
}
