test-1.php

<?php

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

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

// Create a new Tropo Session Object and determine the channel in use.
$session = new Session();
$from_info = $session->getFrom();

// Ask the caller to say or enter start, depending on the channel used.
if($from_info["channel"] == Channel::$voice) {
  $tropo->ask("To begin, say start.", array("choices" => "start", "attempts" => 3));
} else {
  $tropo->ask("To begin, enter start.", array("choices" => "start"));
}

$tropo->on(array("event" => "continue", "next" => "test-2.php", "say" => "Please hold..."));

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

?>

test-2.php

<?php

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

// Create a new instance of the Result object.
$result = new Result();

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

// Tell the user what they entered.
$tropo->say("You entered, ".$result->getValue());

// Hangup when finished.
$tropo->hangup();

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

?>