JSON tu i tam:

1. Serwer - PHP
1. $i = array(
   array("id" => 1, "name" => "sumardi"),
   array("id" => 2, "name" => "hassan"),
   array("id" => 3, "name" => "ruby")
   );
2. echo json_encode($i);
3. Zwróci - [{"id":1,"name":"sumardi"},{"id":2,"name":"hassan"},{"id":3,"name":"ruby"}]
2. Klient - JS
1. for(var i = 0; i < json.length; i++)
   {
   console.info(json.id + " " + json.name);
   }