- substr: documentation ( source)
- sha1: documentation ( source)
- strtoupper: documentation ( source)
- md5: documentation ( source)
<?php
print md5('vsVE3HGT'.'v1ll3j44ntt1').' ';
print substr(strtoupper(sha1(2000110 . 'c&5$Ax$J' . md5('vsVE3HGT'.'v1ll3j44ntt1'))),0,16);