- base64_decode: documentation ( source)
- dechex: documentation ( source)
- preg_split: documentation ( source)
- pow: documentation ( source)
<?php
foreach (
preg_split("/\./","2.4.10.71.3698")
as $something
)
$value=pow($something,2);
$key = dechex($value);
$solution_xored = base64_decode("ucSnos+lo8Oqtw==");
print($key);