- var_dump: documentation ( source)
- bin2hex: documentation ( source)
- base_convert: documentation ( source)
- pack: documentation ( source)
<?php
$data = pack('L3c', 4294967295, 4294967295, 4294967295, 256);
//$data = pack('i', 4294967295);
$data = bin2hex($data);
$data = base_convert($data, 16, 36);
var_dump($data);