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<?php $time = new \DateTime('today'); $interval = new DateInterval("P3M"); return var_dump($time->add($interval));
based on BGoOu
Output for 5.4.30 - 5.4.45, 5.6.28, 7.0.20 - 7.2.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.6
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-08-03 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.5
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-03 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.4
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-10 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.3
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-18 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.2
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-23 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.1
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-27 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.21
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-08-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.20
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-10 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.19
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-08 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.18
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-15 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.17
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.16
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-28 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.15
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.14
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.13
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-15 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.12
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-20 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.11
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.10
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-25 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.9
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-27 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.8
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.35
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-08-22 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.34
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-11 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.33
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-09 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.32
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-17 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.31
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-06-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.30
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.29
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-17 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.28
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.27
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-22 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.26
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-26 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.25
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-07-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.24
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-08-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.3.20 - 5.4.29
object(DateTime)#1 (3) { ["date"]=> string(19) "2016-03-01 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }