3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = new DateTime('2011-01-15 00:00:00'); $d2 = $d->modify('first day of this month'); echo Date('t', 2); //$d2 = $d2->modify('last day of this month'); //$d3 = $d2->modify('last day of previous month'); var_dump($d2);
Output for 5.4.30 - 5.4.45, 5.5.14 - 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, 7.3.16 - 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 - 8.2.18, 8.3.0 - 8.3.6
31object(DateTime)#1 (3) { ["date"]=> string(26) "2011-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 8.0.13
31object(DateTime)#1 (3) { ["date"]=> string(26) "2011-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
31object(DateTime)#1 (3) { ["date"]=> string(19) "2011-01-01 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (first day of this month) at position 10 (o): The timezone could not be found in the database in /in/nN6QU on line 5 31bool(false)
Output for 5.2.0 - 5.2.12
31NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/nN6QU on line 3
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/nN6QU on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/nN6QU on line 3

preferences:
245.29 ms | 401 KiB | 351 Q