- uniqid: documentation ( source)
- hexdec: documentation ( source)
- crc32: documentation ( source)
<?php
$unique = uniqid();
$hexdec = hexdec($unique);
$crc = crc32($hexdec);
echo "Unique: ".$unique."\n";
echo "Hexdec: ".$hexdec."\n";
echo "CRC32: ".$crc;