3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n = 36; $k = 32; $nmk = $n - $k; print "{$n}P{$nmk}\n"; $sum = 1; while($n >= 1) { $sum = $sum * $n * $n--; } $sum = $sum * ($nmk + 1); print "There are $sum posible md5 hashes.\n"; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
36P4 There are 6.9189517588109E+83 posible md5 hashes.