--TEST-- DatePeriod --FILE-- <?php date_default_timezone_set('UTC'); $db = new DateTime( '2008-01-01' ); $de = new DateTime( '2008-12-31' ); $di = DateInterval::createFromDateString( 'first day of next month' ); foreach ( new DatePeriod( $db, $di, $de ) as $dt ) { echo $dt->modify( "3 tuesday" )->format( "l Y-m-d\n" ); } ?> <?php $db = new DateTime( '2007-12-31' ); $de = new DateTime( '2009-12-31 23:59:59' ); $di = DateInterval::createFromDateString( 'last thursday of next month' ); foreach ( new DatePeriod( $db, $di, $de, DatePeriod::EXCLUDE_START_DATE ) as $dt ) { echo $dt->format( "l Y-m-d H:i:s\n" ); } ?> --EXPECT-- Tuesday 2008-01-15 Tuesday 2008-02-19 Tuesday 2008-03-18 Tuesday 2008-04-15 Tuesday 2008-05-20 Tuesday 2008-06-17 Tuesday 2008-07-15 Tuesday 2008-08-19 Tuesday 2008-09-16 Tuesday 2008-10-21 Tuesday 2008-11-18 Tuesday 2008-12-16 Thursday 2008-01-31 00:00:00 Thursday 2008-02-28 00:00:00 Thursday 2008-03-27 00:00:00 Thursday 2008-04-24 00:00:00 Thursday 2008-05-29 00:00:00 Thursday 2008-06-26 00:00:00 Thursday 2008-07-31 00:00:00 Thursday 2008-08-28 00:00:00 Thursday 2008-09-25 00:00:00 Thursday 2008-10-30 00:00:00 Thursday 2008-11-27 00:00:00 Thursday 2008-12-25 00:00:00 Thursday 2009-01-29 00:00:00 Thursday 2009-02-26 00:00:00 Thursday 2009-03-26 00:00:00 Thursday 2009-04-30 00:00:00 Thursday 2009-05-28 00:00:00 Thursday 2009-06-25 00:00:00 Thursday 2009-07-30 00:00:00 Thursday 2009-08-27 00:00:00 Thursday 2009-09-24 00:00:00 Thursday 2009-10-29 00:00:00 Thursday 2009-11-26 00:00:00 Thursday 2009-12-31 00:00:00