- base64_decode: documentation ( source)
- unserialize: documentation ( source)
- print_r: documentation ( source)
<?php
$segments = 'YTozOntpOjA7czoyOiJubCI7aToxO3M6Mjoic3IiO2k6MjtzOjQ6InNhbGUiO30=';
$codes = unserialize(base64_decode($segments));
print_r($codes);