3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', mktime(0,0,0,date('d')-date('d')+1,date('n')-date('n')+1,date('Y'))); echo "<br>".date("Y-m-d"); ?>
Output for 4.3.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2014-01-01<br>2014-01-29