- var_dump: documentation ( source)
- json_decode: documentation ( source)
- base64_decode: documentation ( source)
<?php
var_dump(json_decode(base64_decode('eyJ0eXBlIjoiYnJvd3NlciIsIm5hbWUiOiJGaXJlZm94IiwiY3NzQ2xhc3MiOiJmaXJlZm94IiwidmVyc2lvbiI6IjI1Iiwib3MiOiJ3aW5kb3dzIn0=')));