3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = "ACD0DSAS";//I expect this to be unpacked in one 8 byte number $higher = unpack("N", substr($value, 0, 4)); $lower = unpack("N", substr($value, 4, 4)); echo ($higher << 32) | $lower;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
4294967297