protected function getDrupalRoot()
    {
        if ($path = getenv('DRUPAL_ROOT')) {
            return $path;
        }

        $path = getcwd();
        while ($path !== '/') {
            if (file_exists($path.'/includes/bootstrap.inc')) {
                return $path;
            }

            $path = dirname($path);
        }

        return '';
    }
protected function getDrupalRoot()
    {
        if ($path = getenv('DRUPAL_ROOT')) {
            return $path;
        }

        $path = getcwd();
        while ($path !== '/') {
            if (file_exists($path.'/includes/bootstrap.inc')) {
                return $path;
            }

            $path = dirname($path);
        }

        return '';
    }
protected function getDrupalRoot ( ) { if ( $ path = getenv ( 'DRUPAL_ROOT' ) ) { return $ path ; } $ path = getcwd ( ) ; while ( $ path !== '/' ) { if ( file_exists ( $ path . '/includes/bootstrap.inc' ) ) { return $ path ; } $ path = dirname ( $ path ) ; } return '' ; }
Gets Drupal root path.

@return string
Gets Drupal root path .