render_zip_code.php

<?php

// Include Tropo classes.
require('TropoClasses.php');

// Include Limonade framework.
require('path/to/limonade/lib/limonade.php');

dispatch_post('/start', 'zip_start');
function zip_start() {
	
	// Step 1. Create a new instance of the Session object, and get the channel information.
	$session = new Session();
	$from_info = $session->getFrom();
	$channel = $from_info['channel'];	

       // Step 2. Create a new instance of the Tropo object.
	$tropo = new Tropo();

	// Step 3. Welcome prompt.
	$tropo->say("Welcome to the Tropo PHP zip code example for $channel");

	// Step 4. Set up options for zip code input.
	$options = array("attempts" => 3, "bargein" => true, "choices" => "[5 DIGITS]", "name" => "zip", "timeout" => 5);

	// Step 5. Ask the caller for input, pass in options.
	$tropo->ask("Please enter your 5 digit zip code.", $options);

	// Step 6. Tell Tropo what to do when the user has entered input. Enter your PostBin URL in the "next" array element.
	$tropo->on(array("event" => "continue", "next" => "http://www.PostBin.org/xxxxxxx", "say" => "Please hold."));

	// Step 7. Render the JSON for the Tropo WebAPI to consume.
	return $tropo->RenderJson();	
}

dispatch_post('/end', 'zip_end');
function zip_end() {
	// Do something with the entered zip code.
}

dispatch_post('/error', 'zip_error');
function zip_error() {
	// Tell the user an error has occurred.
}

// Run this sucker!
run();

?>