source: Dev/trunk/src/client/dojox/analytics/logger/dojoxAnalytics.php

<?php
        require_once("./JSON.php");

        $filename = "./logs/analytics.log";
        $json = new Services_JSON;

        $id = $_REQUEST["id"];
        $items = $json->decode($_REQUEST["data"]);

        if (!$handle = fopen($filename, 'a+')) {
                print '{error: "server error"}';
                exit;
        }

        foreach($items as $i=>$item){
                $item->_analyticsId = $id;
                $item->_analyticsTimeStamp = time();
                $log = $json->encode($item) . "\n";
                fwrite($handle, $log);
        }
        
        fclose($handle);

        $response = '{"eventsReceived": "' . sizeof($items) . '", "id": "' . $id . '"}';
        if ($_REQUEST["callback"]){
                print htmlentities($_REQUEST["callback"]) . "(" . $response . ");";
        }else{
                print $response;
        }
        
?>