3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dte = new DateTime(date('Y-m-d H:i:s')); var_dump($dte->format('Y-W')); $dte->modify('+4 weeks'); var_dump($dte->format('Y-m-d H:i:s -- Y_W r')); $dte->modify('+1 days'); var_dump($dte->format('Y-m-d H:i:s -- Y_W r'));
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
string(7) "2012-49" string(62) "2012-12-31 14:04:40 -- 2012_01 Mon, 31 Dec 2012 14:04:40 +0100" string(62) "2013-01-01 14:04:40 -- 2013_01 Tue, 01 Jan 2013 14:04:40 +0100"
Output for 7.3.32 - 7.3.33, 8.0.13
string(7) "2012-49" string(62) "2012-12-31 13:04:40 -- 2012_01 Mon, 31 Dec 2012 13:04:40 +0000" string(62) "2013-01-01 13:04:40 -- 2013_01 Tue, 01 Jan 2013 13:04:40 +0000"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/OQXeZ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/OQXeZ on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/OQXeZ on line 2
preferences:
226.31 ms | 401 KiB | 356 Q