original_string: public function getAuthorizationCode(array $params)
  	{
  		if (isset($params['transaction_state'])) {
  			$params['transaction_state'] = json_encode($params['transaction_state']);
  		}
  
  		return $this->post('access/getAuthorizationCode', $params);
  	}
code: public function getAuthorizationCode(array $params)
  	{
  		if (isset($params['transaction_state'])) {
  			$params['transaction_state'] = json_encode($params['transaction_state']);
  		}
  
  		return $this->post('access/getAuthorizationCode', $params);
  	}
code_tokens: public function getAuthorizationCode ( array $ params ) { if ( isset ( $ params [ 'transaction_state' ] ) ) { $ params [ 'transaction_state' ] = json_encode ( $ params [ 'transaction_state' ] ) ; } return $ this -> post ( 'access/getAuthorizationCode' , $ params ) ; }
docstring: Get an authorization code that can be exchanged for an `access_token` and
  a `refresh_token`.
  
  @param array $params
  @link  http://developers.janrain.com/documentation/api-methods/capture/access-codes-and-tokens/getauthorizationcode/
docstring_tokens: Get an authorization code that can be exchanged for an access_token and a refresh_token .