3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c = new DateTime(); $c->add(new DateInterval('P23D')); echo $c->format('Y/m/d'); $c->add(new DateInterval('P1M')); echo $c->format('Y/m/d');
Output for 5.6.28, 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 - 8.3.4, 8.3.6
2015/12/312016/01/31
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 2015/12/312016/01/31
Output for 7.0.6
2016/05/262016/06/26
Output for 7.0.5
2016/04/262016/05/26
Output for 7.0.4
2016/04/022016/05/02
Output for 7.0.3
2016/04/102016/05/10
Output for 7.0.2
2016/04/152016/05/15
Output for 7.0.1
2016/04/162016/05/16
Output for 7.0.0
2016/04/192016/05/19
Output for 5.6.21
2016/05/252016/06/25
Output for 5.6.20
2016/05/032016/06/03
Output for 5.6.19
2016/03/312016/05/01
Output for 5.6.18
2016/04/072016/05/07
Output for 5.6.17
2016/04/122016/05/12
Output for 5.6.16
2016/04/202016/05/20
Output for 5.6.15
2016/04/212016/05/21
Output for 5.6.14
2016/05/072016/06/07
Output for 5.6.13
2016/05/082016/06/08
Output for 5.6.12
2016/05/132016/06/13
Output for 5.6.11
2016/05/172016/06/17
Output for 5.6.10
2016/05/182016/06/18
Output for 5.6.9
2016/05/202016/06/20
Output for 5.6.8
2016/05/232016/06/23
Output for 5.5.35
2016/06/152016/07/15
Output for 5.5.34
2016/05/042016/06/04
Output for 5.5.33
2016/04/012016/05/01
Output for 5.5.32
2016/04/092016/05/09
Output for 5.5.31
2016/04/132016/05/13
Output for 5.5.30
2016/04/242016/05/24
Output for 5.5.29
2016/05/102016/06/10
Output for 5.5.28
2016/05/142016/06/14
Output for 5.5.27
2016/05/152016/06/15
Output for 5.5.26
2016/05/192016/06/19
Output for 5.5.25
2016/05/222016/06/22
Output for 5.5.24
2016/06/162016/07/16

preferences:
146.03 ms | 401 KiB | 181 Q