3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bits32 = 32; $bits64 = 64; $N32 = 0xfffffffe; $N64 = 0xfffffffffffffffe; $result = -( pow(2, $bits32) - $N32 ); echo $result,"\n"; echo pow(2,$bits32) , "\n",$N32; $result = -( pow(2, $bits64) - $N64 ); echo "\n",$result,"\n"; echo pow(2,$bits64) - PHP_INT_MAX, "\n",$N64 - PHP_INT_MAX;
Output for git.master, git.master_jit, rfc.property-hooks
-2 4294967296 4294967294 -0 9.2233720368548E+18 9.2233720368548E+18

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:
38.04 ms | 401 KiB | 8 Q