PHP Decode

<?  $  
{  
    "GLOBALS"  
}  
["bpyzjxqwkeh"] = "command";  
$  
{  
    "GLOBALS"  
}  
["kuyxxhv"] = "stream";  
$  
{  
    "GLOBALS"  
}  
["uypxmryj"] = "port";  
$  
{  
    "GLOBALS"  
}  
["rtyvcpt"] = "myfile";  
$cjnexottjmq = "id";  
$  
{  
    "GLOBALS"  
}  
["fbndfqd"] = "ip";  
$qqtxphsfjhe = "txt";  
$  
{  
    "GLOBALS"  
}  
["itlidlgas"] = "command";  
$  
{  
    $cjnexottjmq  
} = $_GET["id"];  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["fbndfqd"]  
} = $_GET["ip"];  
$gpsrdq = "txt";  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["uypxmryj"]  
} = $_GET["port"];  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["kuyxxhv"]  
} = $_GET["stream"];  
$yxofft = "myfile";  
$qxlwnlujtn = "myfile";  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["rtyvcpt"]  
} = fopen("/etc/default/hdmipro/udp/stream@$id", "w") or die("Unable to open file!");  
$  
{  
    $qqtxphsfjhe  
} = "LINK=$stream  
IP=$ip 
PORT=$port 
";  
fwrite($  
{  
    $yxofft  
}  
, $  
{  
    $gpsrdq  
});  
fclose($  
{  
    $qxlwnlujtn  
});  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["itlidlgas"]  
} = "sudo systemctl enable udpstream@$id.service";  
exec($  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["bpyzjxqwkeh"]  
});  
$  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["bpyzjxqwkeh"]  
} = "sudo systemctl restart udpstream@$id.service";  
exec($  
{  
    $  
    {  
        "GLOBALS"  
    }  
    ["bpyzjxqwkeh"]  
});  
header("Refresh:0; url=udp.php"); ?>