src/Auth/Connect.php
public function authorize()
    {
        $path = $this->endpoint.self::OAUTH_TOKEN;
        $headers = ['Content-Type' => 'application/x-www-form-urlencoded'];
        $body = [
            'client_id'     => $this->client_id,
            'client_secret' => $this->client_secret,
            'grant_type'    => self::GRANT_TYPE,
            'code'          => $this->code,
            'redirect_uri'  => $this->redirect_uri,
        ];

        try {
            $http_response = $this->createNewSession()->request($path, $headers, $body, 'POST');
        } catch (Requests_Exception $e) {
            throw new UnexpectedException($e);
        }

        if ($http_response->status_code >= 200 && $http_response->status_code < 300) {
            return json_decode($http_response->body);
        } elseif ($http_response->status_code >= 400 && $http_response->status_code <= 499) {
            throw new ValidationException($http_response->status_code, $http_response->body);
        }

        throw new UnexpectedException();
    }
public function authorize()
    {
        $path = $this->endpoint.self::OAUTH_TOKEN;
        $headers = ['Content-Type' => 'application/x-www-form-urlencoded'];
        $body = [
            'client_id'     => $this->client_id,
            'client_secret' => $this->client_secret,
            'grant_type'    => self::GRANT_TYPE,
            'code'          => $this->code,
            'redirect_uri'  => $this->redirect_uri,
        ];

        try {
            $http_response = $this->createNewSession()->request($path, $headers, $body, 'POST');
        } catch (Requests_Exception $e) {
            throw new UnexpectedException($e);
        }

        if ($http_response->status_code >= 200 && $http_response->status_code < 300) {
            return json_decode($http_response->body);
        } elseif ($http_response->status_code >= 400 && $http_response->status_code <= 499) {
            throw new ValidationException($http_response->status_code, $http_response->body);
        }

        throw new UnexpectedException();
    }
public function authorize ( ) { $ path = $ this -> endpoint . self :: OAUTH_TOKEN ; $ headers = [ 'Content-Type' => 'application/x-www-form-urlencoded' ] ; $ body = [ 'client_id' => $ this -> client_id , 'client_secret' => $ this -> client_secret , 'grant_type' => self :: GRANT_TYPE , 'code' => $ this -> code , 'redirect_uri' => $ this -> redirect_uri , ] ; try { $ http_response = $ this -> createNewSession ( ) -> request ( $ path , $ headers , $ body , 'POST' ) ; } catch ( Requests_Exception $ e ) { throw new UnexpectedException ( $ e ) ; } if ( $ http_response -> status_code >= 200 && $ http_response -> status_code < 300 ) { return json_decode ( $ http_response -> body ) ; } elseif ( $ http_response -> status_code >= 400 && $ http_response -> status_code <= 499 ) { throw new ValidationException ( $ http_response -> status_code , $ http_response -> body ) ; } throw new UnexpectedException ( ) ; }
With the permission granted, you will receive a code that will allow you to retrieve the authentication accessToken and process requests involving another user.

@return mixed
With the permission granted you will receive a code that will allow you to retrieve the authentication accessToken and process requests involving another user .