3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $t=time(); $interval=15*60; $last = $t - $t % $interval; $next = $last + $interval; echo "Next interval at ".strftime('%H:%M:%S', $next)."\n";
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Next interval at 11:15:00