3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $target_days=mktime(0,0,0,12,31,2013);//modify the birth day 12/31/2013 $today = time(); $diff_days = ($target_days - $today); $days = (Int) ($diff_days/86400); print "days till next birthday: $days days!";
Output for 4.3.0 - 7.1.0
days till next birthday: -156 days!