A dirt-simple, least-common-denominator web service used for the Y.io() examples in the YUI 3 Cookbook.

gistfile1.aw

<?php
header('Content-type: application/json');

$response = array();
if (isset($_GET['library']) && $_GET['library'] === 'YUI') {
    $response['advice']  = 'YES';
    $response['reason'] = "YUI doesn't eat your soul from the inside.";
}
else {
    $response['advice']  = 'NO';
    $response['reason'] = "You're living a lie.";
}
echo json_encode($response);
?>