3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "Unsigned and Signed:\n"; $offset = abs(~4294967295) + 2 + 4294967295; printf("%u\n",$offset); printf("%d\n",~$offset);
Output for 5.2.4 - 7.1.7
Unsigned and Signed: 8589934593 -8589934594
Output for 4.3.0 - 5.2.3
Unsigned and Signed: 1 -8589934594