<?php

// Requires both the WebBrowser and HTTP classes to work.

require_once "support/websocket.php";

require_once "support/web_browser.php";

require_once "support/http.php";

$ws = new WebSocket();

// The first parameter is the WebSocket server.

// The second parameter is the Origin URL.

$result = $ws->Connect("ws://localhost:5578/math/?apikey=123456789101112", "http://localhost");

if (!$result["success"])

{

var_dump($result);

exit();

}

// Send a text frame (just an example).

// Get the answer to 5 + 10.

$data = array(

"pre" => "5",

"op" => "+",

"post" => "10",

);

$result = $ws->Write(json_encode($data), WebSocket::FRAMETYPE_TEXT);

// Send a binary frame in two fragments (just an example).

// Get the answer to 5 * 10.

$data["op"] = "*";

$data2 = json_encode($data);

$y = (int)(strlen($data2) / 2);

$result = $ws->Write(substr($data2, 0, $y), WebSocket::FRAMETYPE_BINARY, false);

$result = $ws->Write(substr($data2, $y), WebSocket::FRAMETYPE_BINARY);

// Main loop.

$result = $ws->Wait();

while ($result["success"])

{

do

{

$result = $ws->Read();

if (!$result["success"]) break;

if ($result["data"] !== false)

{

// Do something with the data.

echo "Raw message from server:\n";

var_dump($result["data"]);

echo "\n";

$data = json_decode($result["data"]["payload"], true);

echo "The server said: " . $data["question"] . " = " . $data["answer"] . "\n\n";

}

} while ($result["data"] !== false);

$result = $ws->Wait();

}

// An error occurred.

var_dump($result);

?>