3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maxBit() { list($return, $number) = array(0, 0); // Start process while (true) { // Get number at x bits $numX = intval(bcsub(bcpow('2', "{$return}"), '1')); // Check number if ($numX != 0 && $number == $numX) { break; } // Update number $number = $numX; // Update return value $return++; } return $return; } echo maxBit();
Output for git.master, git.master_jit, rfc.property-hooks
64

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:
53.51 ms | 401 KiB | 8 Q