playing with workers in titanium

worker.js

var fs = Titanium.Filesystem;
var api = Titanium.API;

api.print("worker starting\n");

var path = fs.getResourcesDirectory() + fs.getSeparator() + 'worker.php';

api.print("PHP code is at " + path + "\n");

if (false) {

onmessage = function(event) {
    api.print("worker got an event\n");
    var j = Titanium.JSON.stringify(event.message);
    api.print("event contents are " + j + "\n");
    var res;
    try {
        res = Titanium.PHP.evaluate(
            'text/php', 'workerbits',
            "include('" + path + "');\n",
            event.message);
    } catch (err) {
        api.print("Error while evaluating " + err + "\n");
    }
    api.print("After calling the php worker\n");
    api.print("res is " + res + "\n");
};

} else {
    var res;
    try {
        res = Titanium.PHP.evaluate(
            'text/php', 'workerbits',
            "include('" + path + "');\n",
            new Object());
    } catch (err) {
        api.print("Error while evaluating " + err + "\n");
    }
    api.print("After calling the php worker\n");
    api.print("res is " + res + "\n");

}