PHP Extension

Binary.com Tick Stream

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Tick Stream Request -- Initiate a continuous stream of spot price updates for a given symbol. PHP Extension

<?php

include("chilkat.php");

$success = false;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$ws = new CkWebSocket();

// For brevity, this example does not check for errors when etablishing the WebSocket connection.
// See Establish WebSocket Connection for more complete sample code for making the connection.

$rest = new CkRest();

// Connect to ws.binaryws.com
$success = $rest->Connect('ws.binaryws.com',443,true,false);
$ws->UseConnection($rest);
$ws->AddClientHeaders();

// My app_id is 12332.  You'll wnat to use your own...
$responseBody = $rest->fullRequestNoBody('GET','/websockets/v3?app_id=12332');
$success = $ws->ValidateServerHandshake();
if ($success != true) {
    print $ws->lastErrorText() . "\n";
    print $responseBody . "\n";
    print $rest->responseHeader() . "\n";
    exit;
}

// Build and send the following message:

// {
//   "ticks": "R_50",
//   "subscribe": 1
// }

$json = new CkJsonObject();
$json->AppendString('ticks','R_50');
$json->AppendInt('subscribe',1);

// Send a full message in a single frame
$finalFrame = true;
$success = $ws->SendFrame($json->emit(),$finalFrame);
if ($success != true) {
    print $ws->lastErrorText() . "\n";
    exit;
}

$jsonTickData = new CkJsonObject();
$jsonTickData->put_EmitCompact(false);

// Begin reading the tick stream response.
// We'll just read the 1st 10 updates and then exit..
$receivedFinalFrame = false;
$numTicksReceived = 0;
while ($numTicksReceived < 5) {

    $success = $ws->ReadFrame();
    if ($success != true) {
        print 'Failed to receive a frame' . "\n";
        print 'ReadFrame fail reason = ' . $ws->get_ReadFrameFailReason() . "\n";
        print $ws->lastErrorText() . "\n";
        exit;
    }

    // The responses we desire are in Text frames, where the opcode = 1.
    if ($ws->get_FrameOpcodeInt() == 1) {
        $receivedJson = $ws->getFrameData();

        $jsonTickData->Load($receivedJson);
        print $jsonTickData->emit() . "\n";

        $numTicksReceived = $numTicksReceived + 1;
    }

}

// Close the websocket connection.
$success = $ws->SendClose(true,1000,'Closing this websocket.');
if ($success != true) {
    print $ws->lastErrorText() . "\n";
    exit;
}

// Read the Close response.
$success = $ws->ReadFrame();
if ($success != true) {
    print 'ReadFrame fail reason = ' . $ws->get_ReadFrameFailReason() . "\n";
    print $ws->lastErrorText() . "\n";
    exit;
}

print 'Success.' . "\n";

// The output of the above code is shown here:

// {
//   "echo_req": {
//     "subscribe": 1,
//     "ticks": "R_50"
//   },
//   "msg_type": "tick",
//   "tick": {
//     "ask": "373.8725",
//     "bid": "373.8325",
//     "epoch": "1517437456",
//     "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
//     "quote": "373.8525",
//     "symbol": "R_50"
//   }
// }
// 
// {
//   "echo_req": {
//     "subscribe": 1,
//     "ticks": "R_50"
//   },
//   "msg_type": "tick",
//   "tick": {
//     "ask": "373.7952",
//     "bid": "373.7552",
//     "epoch": "1517437458",
//     "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
//     "quote": "373.7752",
//     "symbol": "R_50"
//   }
// }
// 
// {
//   "echo_req": {
//     "subscribe": 1,
//     "ticks": "R_50"
//   },
//   "msg_type": "tick",
//   "tick": {
//     "ask": "373.8638",
//     "bid": "373.8238",
//     "epoch": "1517437460",
//     "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
//     "quote": "373.8438",
//     "symbol": "R_50"
//   }
// }
// 
// {
//   "echo_req": {
//     "subscribe": 1,
//     "ticks": "R_50"
//   },
//   "msg_type": "tick",
//   "tick": {
//     "ask": "373.7636",
//     "bid": "373.7236",
//     "epoch": "1517437462",
//     "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
//     "quote": "373.7436",
//     "symbol": "R_50"
//   }
// }
// 
// {
//   "echo_req": {
//     "subscribe": 1,
//     "ticks": "R_50"
//   },
//   "msg_type": "tick",
//   "tick": {
//     "ask": "373.6870",
//     "bid": "373.6470",
//     "epoch": "1517437464",
//     "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
//     "quote": "373.6670",
//     "symbol": "R_50"
//   }
// }
// 
// Success.

?>