original_string: private function getTwigEnvironment()
      {
          if (null == $this->twigEnvironment) {
              $this->twigEnvironment = $this->createTwigEnvironment();
          }
          return $this->twigEnvironment;
      }
code: private function getTwigEnvironment()
      {
          if (null == $this->twigEnvironment) {
              $this->twigEnvironment = $this->createTwigEnvironment();
          }
          return $this->twigEnvironment;
      }
code_tokens: private function getTwigEnvironment ( ) { if ( null == $ this -> twigEnvironment ) { $ this -> twigEnvironment = $ this -> createTwigEnvironment ( ) ; } return $ this -> twigEnvironment ; }
docstring: Creates a twig environment if not injected
  
  @return Twig_Environment
docstring_tokens: Creates a twig environment if not injected