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run code in 300+ PHP versions simultaneously
<?php $a = new DateTime('now'); $b = $a; $b->add('P1M'); echo $a->format('Y-m-d');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: DateTime::add(): Argument #1 ($interval) must be of type DateInterval, string given in /in/rW9Vl:6 Stack trace: #0 /in/rW9Vl(6): DateTime->add('P1M') #1 {main} thrown in /in/rW9Vl on line 6
Process exited with code 255.
Output for 5.6.28, 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2015-12-23
Output for 7.0.6
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-05-21
Output for 7.0.5
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-03
Output for 7.0.4
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-10
Output for 7.0.3
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-18
Output for 7.0.2
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-23
Output for 7.0.1
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-24
Output for 7.0.0
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-27
Output for 5.6.21
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-05-02
Output for 5.6.20
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-10
Output for 5.6.19
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-08
Output for 5.6.18
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-15
Output for 5.6.17
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-20
Output for 5.6.16
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-28
Output for 5.6.15
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-29
Output for 5.6.14
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-14
Output for 5.6.13
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-15
Output for 5.6.12
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-20
Output for 5.6.11
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-24
Output for 5.6.10
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-25
Output for 5.6.9
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-27
Output for 5.6.8
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-30
Output for 5.5.35
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-05-23
Output for 5.5.34
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-11
Output for 5.5.33
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-09
Output for 5.5.32
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-17
Output for 5.5.31
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-03-21
Output for 5.5.30
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-01
Output for 5.5.29
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-17
Output for 5.5.28
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-21
Output for 5.5.27
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-22
Output for 5.5.26
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-26
Output for 5.5.25
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-04-29
Output for 5.5.24
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/rW9Vl on line 6 2016-05-24

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