3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $seq = 2839075015; $iso = 18; echo sprintf("%X", ($iso << 48) + $seq); echo "\n"; echo ($iso << 48) + $seq; echo "\n"; echo (($iso << 48) | $seq); echo "\n"; echo dechex(($iso << 48) | $seq); echo "\n";
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
120000A938D8C7 5066552419866823 5066552419866823 120000a938d8c7