simple php script to return json code example
Example 1: php response json
<?PHP
$data = /** whatever you're serializing **/;
header('Content-Type: application/json');
echo json_encode($data);
Example 2: access json with php
<?php
$data = '{
"name": "Aragorn",
"race": "Human"
}';
$character = json_decode($data);
echo $character->name;