PHP Extension

Finnhub API - Get Stock Quote

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Demonstrates how to get a stock quote from the Finnhub API. PHP Extension

<?php

include("chilkat.php");

$success = false;

// Replace with your actual Finnhub API key.
$apiKey = 'YOUR_FINNHUB_API_KEY';
$symbol = 'AAPL';

$http = new CkHttp();

// This is the URL without params.
$urlWithoutParams = 'https://finnhub.io/api/v1/quote';

$req = new CkHttpRequest();

// Add params that will be sent in the URL.
$req->AddParam('symbol',$symbol);
$req->AddParam('token',$apiKey);

$req->put_HttpVerb('GET');

// Send the request to get the JSON response.
$resp = new CkHttpResponse();
$success = $http->HttpReq($urlWithoutParams,$req,$resp);
if ($success == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

$json = new CkJsonObject();
$resp->GetBodyJson($json);

$statusCode = $resp->get_StatusCode();
print 'response status code: ' . $statusCode . "\n";

$json->put_EmitCompact(false);
print $json->emit() . "\n";

// Sample result:

// {
//   "c": 248.8,
//   "d": -4.09,
//   "dp": -1.6173,
//   "h": 255.493,
//   "l": 248.07,
//   "o": 253.9,
//   "pc": 252.89,
//   "t": 1774641600
// }

if ($statusCode == 200) {
    // Add the symbol to the top of the result.
    $json->AddStringAt(0,'symbol',$symbol);

    // Rename members for clarification.
    $json->Rename('c','currentPrice');
    $json->Rename('d','change');
    $json->Rename('dp','percentChange');
    $json->Rename('h','high');
    $json->Rename('l','low');
    $json->Rename('o','open');
    $json->Rename('pc','prevClose');
    $json->Rename('t','unixTime');

    print $json->emit() . "\n";

}
else {
    print 'Failed' . "\n";
}


?>