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run code in 150+ php & hhvm versions
Bugs & Features
<?php $start = new DateTime('2014-12-01'); $start->modify('first day of this month'); $end = new DateTime('2015-05-30'); $end->modify('first day of this month'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("mY") . PHP_EOL; }
based on qv2BY
Output for 5.3.0 - 7.1.0
122014 012015 022015 032015 042015
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/aWk83 on line 3 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/aWk83 on line 5 Fatal error: Class 'DateInterval' not found in /in/aWk83 on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.12
Fatal error: Class 'DateInterval' not found in /in/aWk83 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/aWk83 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/aWk83 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/aWk83 on line 2