int strtotime ( string $time [, int $now = time() ] ) <?php echo strtotime ( "now" ), "\n" ; echo strtotime ( "10 September 2000" ), "\n" ; echo strtotime ( "+1 day" ), "\n" ; echo strtotime ( "+1 week" ), "\n" ; echo strtotime ( "+1 week 2 days 4 hours 2 seconds" ), "\n" ; echo strtotime ( "next Thursday" ), "\n" ; echo strtotime ( "last Monday" ), "\n" ; echo date ( "Y-m-d" , strtotime ( "2009-01-31 +1 month" ) ); // PHP: 2009-03-03 echo date ( "Y-m-d" , strtotime ( "2009-01-31 +2 month" ) ); // PHP: 2009-03-31 $Date = strtotime ( '2011-02-22' ); // February 22nd, 2011. 28 days in this month, 29 next year. echo date ( 'n/j/Y' , strtotime ( '+1 year, +7 days' , $Date )); // add 1 year and 7 days. prints 2/29/2012 echo "