This library can be used to connect and does operations on HMRC API https://developer.service.hmrc.gov.uk/api-documentation.
For global API such as Hello World, you can use HelloWorldRequest class to deal with the API call.
<?php
$request = new \HMRC\Hello\HelloWorldRequest;
// Response is instant of HMRCResponse class
$response = $request->fire();
return $response->getBody();For application-restricted API call such as Hello Application. First set the server token using ServerToken class and then you can use HelloApplicationRequest class to call the API.
<?php
// ServerToken is singleton so please use getInstance() method to get an instance and then use set method on it
\HMRC\ServerToken\ServerToken::getInstance()->set($_GET['server_token']);
$request = new \HMRC\Hello\HelloApplicationRequest;
$response = $request->fire();
return $response->getBody();For user-restricted API call, please see the next section.
The easiest way to learn about this is by running the local server using php -S localhost:8080 command at the root of this library. And then navigate to http://localhost:8080/examples/index.php on your browser. Don't forget to setup the credentials inside examples/config.php file.
<?php
$clientId = 'clientid';
$clientSecret = 'clientsecret';
$serverToken = 'servertoken';You can gain the access token by create HMRC Oauth2 Provider and redirect to authorize URL (see example/oauth2/create-access-token.php for example).
<?php
$callbackUri = "http://localhost:8080/examples/oauth2/callback.php" ;
$_SESSION[ 'client_id' ] = $_GET[ 'client_id' ];
$_SESSION[ 'client_secret' ] = $_GET[ 'client_secret' ];
$_SESSION[ 'callback_uri' ] = $callbackUri;
$_SESSION[ 'caller' ] = "/examples/index.php";
$provider = new \HMRC\Oauth2\Provider(
$_GET[ 'client_id' ],
$_GET[ 'client_secret' ],
$callbackUri
);
$scope = [ \HMRC\Scope\Scope::VAT_READ, \HMRC\Scope\Scope::HELLO, \HMRC\Scope\Scope::VAT_WRITE ];
$provider->redirectToAuthorizationURL($scope);After user grant authorize on HMRC authorization page, it will redirect back to $callbackUri, which in the example above, the callback.php file.
Content of callback.php
<?php
$provider = new \HMRC\Oauth2\Provider(
$_SESSION[ 'client_id' ],
$_SESSION[ 'client_secret' ],
$_SESSION[ 'callback_uri' ]
);
// Try to get an access token using the authorization code grant.
$accessToken = $provider->getAccessToken('authorization_code', [
'code' => $_GET['code']
]);
\HMRC\Oauth2\AccessToken::set($accessToken);
header("Location: /examples/index.php");
exit;You need to use \HMRC\Oauth2\AccessToken class to get and set access token. The class that do the request will get Access Token from this class.
After get the access token and save it inside \HMRC\Oauth2\AccessToken, we can start calling user-restricted API. For example, here is the request to hello user endpoint.
<?php
$request = new \HMRC\Hello\HelloUserRequest;
$response = $request->fire();
return $response->getBody();In default mode, this library will talk with sandbox environment of HMRC. If you want to use live environment, you can call it via Environment singleton.
<?php
\HMRC\Environment\Environment::getInstance()->setToLive();Contributor is more than welcome to help develop this library, all the important methods should have unit test.
To run test, simply call composer test command on terminal.
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