Relative Time
"last day of third month"
modify( 'last day of third month' )->format( 'Y-m-d' ), "\n";
?>]]>
Explanation:
2010-01-31 15:48:21
2010-|ef2929|04|-31 15:48:21
"third month" increases month number by 3
2010-|ef2929|05-00| 15:48:21
"last day of" resets the day number to 0 and increases
the month number by 1
2010-|ef2929|04-30| 15:48:21
Day count is less than 1, so the algorithm corrects this
to a proper date