<?php
session_start();
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Mon, 26 Jan 2010 05:00:00 GMT");
header("Content-type: application/json; charset=utf-8");
echo $array = json_encode(array(
'id' => 10,
'prova' => "Già",
'prova2' => "http://google.it"
));
?>