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<?php $now = new DateTimeImmutable(); var_dump($now->format("Y-m-d")); var_dump($now->modify("+1 month")->format("Y-m-d"));
Output for 7.0.14 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(10) "2015-03-20" string(10) "2015-04-20"
Output for 7.0.6
string(10) "2016-05-03" string(10) "2016-06-03"
Output for 7.0.5
string(10) "2016-04-03" string(10) "2016-05-03"
Output for 7.0.4
string(10) "2016-03-10" string(10) "2016-04-10"
Output for 7.0.3
string(10) "2016-03-18" string(10) "2016-04-18"
Output for 7.0.2
string(10) "2016-03-23" string(10) "2016-04-23"
Output for 7.0.1
string(10) "2016-03-24" string(10) "2016-04-24"
Output for 7.0.0
string(10) "2016-03-27" string(10) "2016-04-27"
Output for 5.6.21
string(10) "2016-05-02" string(10) "2016-06-02"
Output for 5.6.20
string(10) "2016-04-10" string(10) "2016-05-10"
Output for 5.6.19
string(10) "2016-03-08" string(10) "2016-04-08"
Output for 5.6.18
string(10) "2016-03-15" string(10) "2016-04-15"
Output for 5.6.17
string(10) "2016-03-19" string(10) "2016-04-19"
Output for 5.6.16
string(10) "2016-03-28" string(10) "2016-04-28"
Output for 5.6.15
string(10) "2016-03-29" string(10) "2016-04-29"
Output for 5.6.14
string(10) "2016-04-02" string(10) "2016-05-02"
Output for 5.6.13
string(10) "2016-04-15" string(10) "2016-05-15"
Output for 5.6.12
string(10) "2016-04-20" string(10) "2016-05-20"
Output for 5.6.11
string(10) "2016-04-24" string(10) "2016-05-24"
Output for 5.6.10
string(10) "2016-04-25" string(10) "2016-05-25"
Output for 5.6.9
string(10) "2016-04-27" string(10) "2016-05-27"
Output for 5.6.8
string(10) "2016-04-30" string(10) "2016-05-30"
Output for 5.5.35
string(10) "2016-05-22" string(10) "2016-06-22"
Output for 5.5.34
string(10) "2016-04-11" string(10) "2016-05-11"
Output for 5.5.33
string(10) "2016-03-09" string(10) "2016-04-09"
Output for 5.5.32
string(10) "2016-03-17" string(10) "2016-04-17"
Output for 5.5.31
string(10) "2016-03-21" string(10) "2016-04-21"
Output for 5.5.30
string(10) "2016-04-01" string(10) "2016-05-01"
Output for 5.5.29
string(10) "2016-04-17" string(10) "2016-05-17"
Output for 5.5.28
string(10) "2016-04-21" string(10) "2016-05-21"
Output for 5.5.27
string(10) "2016-04-22" string(10) "2016-05-22"
Output for 5.5.26
string(10) "2016-04-26" string(10) "2016-05-26"
Output for 5.5.25
string(10) "2016-04-29" string(10) "2016-05-29"
Output for 5.5.24
string(10) "2016-05-24" string(10) "2016-06-24"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/UiTEU on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/UiTEU on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/UiTEU on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/UiTEU on line 6
Process exited with code 255.

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