(PHP Extension) Dynamics CRM Oauth2 Client Credentials

Get an OAuth2 access token for Dynamics CRM using client credentials.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux

<?php

include("chilkat.php");

$success = false;

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

$http = new CkHttp();

// Pass the client ID/secret using Basic HTTP authentication.
$http->put_Login('CLIENT_ID');
$http->put_Password('CLIENT_SECRET');
$http->put_BasicAuth(true);

$req = new CkHttpRequest();
$req->AddParam('client_secret','CLIENT_SECRET');
$req->AddParam('client_id','CLIENT_ID');
$req->AddParam('scope','https://yourdynamicsdomain.crm3.dynamics.com/.default');
$req->AddParam('grant_type','client_credentials');

// Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
$url = 'https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token';
$req->put_HttpVerb('POST');
$req->put_ContentType('application/x-www-form-urlencoded');

$resp = new CkHttpResponse();
$success = $http->HttpReq($url,$req,$resp);
if ($success == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

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

$json = new CkJsonObject();
$json->Load($resp->bodyStr());

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

if ($statusCode == 200) {
    $json->WriteFile('qa_data/tokens/dynamicsCrmClientCredentialsToken.json');
    print 'Success.' . "\n";
}
else {
    print 'Failed.' . "\n";
}


?>