3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $thirtyOnedayMonths = array( 1, 3, 5, 7, 8, 10, 12 ); $oneMonth = new \DateInterval('P1M'); $format = 'Y-m-d'; foreach($thirtyOnedayMonths as $month){ $date = date($format, strtotime('-1 month', strtotime("2013-{$month}-31 00:00:01"))); var_dump($date); }
Output for 5.3.0 - 7.1.0
string(10) "2012-12-31" string(10) "2013-03-03" string(10) "2013-05-01" string(10) "2013-07-01" string(10) "2013-07-31" string(10) "2013-10-01" string(10) "2013-12-01"
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/EnRvj on line 6 Fatal error: Class 'DateInterval' not found in /in/EnRvj on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/EnRvj on line 6 Fatal error: Cannot instantiate non-existent class: dateinterval in /in/EnRvj on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/EnRvj on line 6 Fatal error: Cannot instantiate non-existent class: dateinterval in /in/EnRvj on line 6