3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $day = date('w'); $week_start = new DateTime(); date_modify($week_start, '-' . $day . ' days'); echo(date_format($week_start, 'Y-m-d'));
based on BQkpq
Output for 5.2.0 - 7.1.0
2014-07-27
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/B9GVW on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/B9GVW on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/B9GVW on line 4