<?php
$user = 'Diego:25:RJ';
$keys = 'Nome:Idade:Estado';
PD9waHAKCiAgICAkdXNlciA9ICdEaWVnbzoyNTpSSic7CiAgICAka2V5cyA9ICdOb21lOklkYWRlOkVzdGFkbyc7CiAgIAogICAgJGluZm8gPSBhcnJheV9jb21iaW5lKCBleHBsb2RlKCAnOicsICRrZXlzICksIGV4cGxvZGUoICc6JywgJHVzZXIgKSApOwogICAgcHJpbnRfcigkaW5mbyk7Cg==