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<? $s = new \DateTime('2016-02-01', new \DateTimeZone('UTC')); $e = new \DateTime('2016-03-01', new \DateTimeZone('UTC')); $d = $e->diff($s); var_dump($d);
based on M9DqQ
Output for 7.1.0 - 7.3.0alpha1
object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(29) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.4.17 - 7.0.20
object(DateInterval)#3 (15) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(29) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.4.13 - 5.4.16
object(DateInterval)#3 (8) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(0) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(1) ["days"]=> int(29) }
Output for 5.3.23 - 5.3.29
<? $s = new \DateTime('2016-02-01', new \DateTimeZone('UTC')); $e = new \DateTime('2016-03-01', new \DateTimeZone('UTC')); $d = $e->diff($s); var_dump($d);