--TEST-- strtotime() function - a test to show the difference in behaviour between 'first' and '1', "second" and "2"... --FILE-- --EXPECT-- string(10) "2008-12-01" string(10) "2008-12-08" string(10) "2008-12-15" string(10) "2008-12-08" string(10) "2008-12-15" string(10) "2008-12-22"