<?php
$base64 = 'YTozMTp7aTowO2k6MTA2O2k6MTtpOjExMTtpOjI7aToxMDU7aTozO2k6MTEwO2k6NDtpOjQ2O2k6NTtpOjExNjtpOjY7aToxMTE7aTo3O2k6NDY7aTo4O2k6MTA5O2k6OTtpOjk3O2k6MTA7aToxMTA7aToxMTtpOjExMDtpOjEyO2k6OTc7aToxMztpOjEwNTtpOjE0O2k6MTE2O2k6MTU7aTo2NDtpOjE2O2k6MTA5O2k6MTc7aTo5NztpOjE4O2k6MTEwO2k6MTk7aToxMTA7aToyMDtpOjk3O2k6MjE7aToxMTU7aToyMjtpOjEyMjtpOjIzO2k6OTc7aToyNDtpOjExMjtpOjI1O2k6MTEyO2k6MjY7aTo5NztpOjI3O2k6MTEwO2k6Mjg7aTo0NjtpOjI5O2k6MTA0O2k6MzA7aToxMTc7fQ==';
$decode = base64_decode($base64);
$serial = unserialize($decode);

echo "<font color=red> BASE64: </font>: $base64<br><br>";
echo "<font color=red> DEKÓDOLT: </font> $decode<br>";
$data = unserialize($decode);

if(is_array($data)){
    var_dump($data);
    echo "<br>";
}
echo "<br><font color=red> OUTPUT: </font>";

for ($i = 0; $i <= sizeof($data)-1; $i++) {
    echo chr($data[$i]);
}
?>