simple_ivr.php

<?php

// Include Limonade PHP Framework (http://www.limonade-php.net/).
require('path/to/limonade/lib/limonade.php');

// Include Tropo classes (http://github.com/mheadd/TropoPHP).
require('path/to/TropoClasses.php');

dispatch_post('/start', 'tropo_start');
function tropo_start() {
	
	// Get the JSON data submitted from the Tropo Web API
	$session_json = file_get_contents("php://input");
	
	// Create a new Tropo Session Object and determine the channel in use.
	$session = new Session($session_json);
	$to = $session->getTo();
	$channel = $to[3];
	
	// Set the greeting prompt according to the channel.
	if($channel == 'PSTN') {
		$greetingText = "Welcome to my Phone application. ";
	}
	else {
		$greetingText = "Welcome to my SMS application. ";
	}
	
	// Create a new instance of the Tropo Object and add the greeting text.
	// Note - using simple Say() method invocation.
	$tropo = new Tropo();
	$tropo->Say($greetingText);
	
	// Ask the user to enter their zip code.
	// Note - using complex Say() method invocation.
	$say = new Say("Please enter your five digit zip code.");
	$choices = new Choices("[5 DIGITS]");	
	$ask = new Ask(NULL, true, $choices, NULL, "foo", true, $say, 30);	
	$tropo->Ask($ask);
	
	// Add an event handler.
	$next = str_replace("start", "end", 'http://'.$_SERVER['SERVER_ADDR'].$_SERVER['PHP_SELF']."?tropo-engine=json");
	$on = new On(Event::$continue, $next);
	$tropo->On($on);
	
	// Render the JSON for Tropo.
	return $tropo->renderJSON();
}

dispatch_post('/end', 'tropo_end');
function tropo_end() {
	
	// Get the JSON data submitted from the Tropo Web API
	$result_json = file_get_contents("php://input");
	
	// Create a new instance of the Result Object and determine the user input.
	$result = new Result($result_json);
	$utterance = $result->getUtterance();

	// Read back the user input and get out of Dodge...
	$tropo = new Tropo();
	$tropo->Say("You entered, ".$utterance ." Goodbye");
	$tropo->Hangup();
	
	// Render the JSON for Tropo.
	return $tropo->renderJSON();
}

run();

?>