3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('now'); $firstOfMonth = $date->modify('first day of this month')->format(DATE_ISO8601); $lastOfMonth = $date->modify('last day of this month')->format(DATE_ISO8601); var_dump(array($firstOfMonth, $lastOfMonth));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.7, 7.3.9 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> string(24) "2013-12-01T11:51:39+0100" [1]=> string(24) "2013-12-31T11:51:39+0100" }
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
array(2) { [0]=> string(24) "2013-12-01T10:51:39+0000" [1]=> string(24) "2013-12-31T10:51:39+0000" }
Output for 7.3.8
array(2) { [0]=> string(24) "2013-12-01T11:51:40+0100" [1]=> string(24) "2013-12-31T11:51:40+0100" }
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/FeYcr on line 5 Fatal error: Call to a member function format() on a non-object in /in/FeYcr on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.12
Fatal error: Call to a member function format() on a non-object in /in/FeYcr on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/FeYcr on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/FeYcr on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/FeYcr on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FeYcr on line 5
Process exited with code 255.

preferences:
320.05 ms | 401 KiB | 459 Q