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run code in 200+ 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 - 7.1.10
Next interval at 11:15:00