3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php date_default_timezone_set('UTC'); //should be set in your script or in your php.ini $date = new DateTime('FIRST DAY OF PREVIOUS MONTH'); echo $date->format('Y-m-d'), PHP_EOL;
Output for 5.6.28, 7.0.14 - 7.1.0
2014-02-01
Output for 5.5.24, 5.5.35, 5.6.21, 7.0.6
2016-04-01
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
2016-03-01
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.4
2016-02-01
Output for 5.4.45
2015-08-01
Output for 5.4.41 - 5.4.44
2015-07-01
Output for 5.4.39 - 5.4.40
2015-04-01
Output for 5.4.36 - 5.4.38
2015-01-01
Output for 5.4.34 - 5.4.35
2014-10-01
Output for 5.3.29, 5.4.28 - 5.4.32
2014-07-01
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
2014-03-01
Output for 5.2.0 - 5.2.17
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (FIRST DAY OF PREVIOUS MONTH) at position 10 (O): The timezone could not be found in the database' in /in/9rn4J:3 Stack trace: #0 /in/9rn4J(3): DateTime->__construct('FIRST DAY OF PR...') #1 {main} thrown in /in/9rn4J on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/9rn4J on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function date_default_timezone_set() in /in/9rn4J on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: date_default_timezone_set() in /in/9rn4J on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: date_default_timezone_set() in /in/9rn4J on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: date_default_timezone_set() in /in/9rn4J on line 2