/**
* Set the year value of this timestamp.
*
* @param timestamp
* @param int
* @return timestamp
*/
public static function setYear($ts = null, $year = 1970)
{
list($H, $i, $s, $m, $d, $Y) = sfDateTimeToolkit::breakdown($ts);
return mktime($H, $i, $s, $m, $d, $year);
}
/**
* Returns the timestamp for last day of the month for the given date.
*
* @param timestamp
* @return timestamp
*/
public static function finalDayOfMonth($ts = null)
{
list($H, $i, $s, $m, $d, $Y) = sfDateTimeToolkit::breakdown($ts);
return mktime($H, $i, $s, $m, date('t', $ts), $Y);
}