3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime('first day')); echo "\n"; echo date('Y-m-d', strtotime('last day of this week'));
based on gZppS
Output for 5.3.3 - 7.1.0
2014-09-04 2014-09-30
Output for 5.3.0 - 5.3.2
2014-09-01 2014-09-30
Output for 4.3.0 - 5.2.17
2014-09-04 1970-01-01