3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?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);
based on nN6QU
Output for 5.4.30 - 7.3.0rc4
object(DateTime)#1 (3) { ["date"]=> string(26) "2011-01-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.3.0 - 5.4.29
object(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/3l4fd on line 5 bool(false)
Output for 5.2.0 - 5.2.12
NULL
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/3l4fd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/3l4fd 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/3l4fd on line 3