3v4l.org

run code in 300+ PHP versions simultaneously
<?php $primes = array(); $found = 0; for ($x = 2; $x <= 100000; $x++) { $xIsPrime = TRUE; $sqrtX = sqrt($x); foreach ($primes as $prime) if ($prime > $sqrtX || ((!($x % $prime)) && (!$xIsPrime = FALSE))) break; if ($xIsPrime) $found++; } echo $found;
Output for git.master, git.master_jit, rfc.property-hooks
99999

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
67.9 ms | 401 KiB | 8 Q