original_string: public function tokenExchange($code)
          {
              $parameters = array(
                  'client_id'     => $this->clientId,
                  'client_secret' => $this->clientSecret,
                  'code'          => $code,
              );
  
              return $this->request(
                  $this->authUrl . 'token',
                  $parameters
              );
          }
code: public function tokenExchange($code)
          {
              $parameters = array(
                  'client_id'     => $this->clientId,
                  'client_secret' => $this->clientSecret,
                  'code'          => $code,
              );
  
              return $this->request(
                  $this->authUrl . 'token',
                  $parameters
              );
          }
code_tokens: public function tokenExchange ( $ code ) { $ parameters = array ( 'client_id' => $ this -> clientId , 'client_secret' => $ this -> clientSecret , 'code' => $ code , ) ; return $ this -> request ( $ this -> authUrl . 'token' , $ parameters ) ; }
docstring: Authenticates token returned from API
  
  @param string $code
  
  @link http://strava.github.io/api/v3/oauth/#post-token
  
  @return string
docstring_tokens: Authenticates token returned from API