- json_encode: documentation ( source)
<?php
$money = new userStats($db, $_SESSION['uid']);
$upgrades = new upgrades($db, $_SESSION['uid']);
$credits = $money->balance;
$energy = $money->energy;
$fuel = $money->fuel;
$upgrade = $upgrades->parseXML();
echo json_encode( array(
"fuel" => $fuel,
"energy" => $energy,
"credits" => $credits,
"upgrades" => $upgrade
) );
?>