3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime(date('Y-m-01').' -1 MONTH')), PHP_EOL;
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2014-02-01
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
2014-02-01 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/KWnHR on line 4 PHP_EOL