original_string: public function load($environment = null)
      {
          if ($environment == 'production') $environment = null;
  
          if (! $this->files->exists($path = $this->getFile($environment))) {
              return array();
          } else {
              return $this->files->getRequire($path);
          }
      }
code: public function load($environment = null)
      {
          if ($environment == 'production') $environment = null;
  
          if (! $this->files->exists($path = $this->getFile($environment))) {
              return array();
          } else {
              return $this->files->getRequire($path);
          }
      }
code_tokens: public function load ( $ environment = null ) { if ( $ environment == 'production' ) $ environment = null ; if ( ! $ this -> files -> exists ( $ path = $ this -> getFile ( $ environment ) ) ) { return array ( ) ; } else { return $ this -> files -> getRequire ( $ path ) ; } }
docstring: Load the environment variables for the given environment.
  
  @param  string  $environment
  @return array
docstring_tokens: Load the environment variables for the given environment .