original_string: private function appendApiKeyToRequestParameters()
  	{
  		if (! $this->client->getApiKey())
  			throw new AuthorizationException('Missing API key.');
  
  		$this->setParameter(
  			Client::API_KEY_PARAM_NAME,
  			$this->client->getApiKey()
  		);
  	}
code: private function appendApiKeyToRequestParameters()
  	{
  		if (! $this->client->getApiKey())
  			throw new AuthorizationException('Missing API key.');
  
  		$this->setParameter(
  			Client::API_KEY_PARAM_NAME,
  			$this->client->getApiKey()
  		);
  	}
code_tokens: private function appendApiKeyToRequestParameters ( ) { if ( ! $ this -> client -> getApiKey ( ) ) throw new AuthorizationException ( 'Missing API key.' ) ; $ this -> setParameter ( Client :: API_KEY_PARAM_NAME , $ this -> client -> getApiKey ( ) ) ; }
docstring: Gets the API key from the Client instance and adds it to the request
  parameters. An `AuthorizationException` is thrown when the API key is
  missing from the Client.
  @throws  AuthorizationException  If API key is missing.
docstring_tokens: Gets the API key from the Client instance and adds it to the request parameters . An AuthorizationException is thrown when the API key is missing from the Client .