protected function getFileKeys($path, array $keys)
    {
        if (!$this->hasFile($path)) {
            return false;
        }

        return $this->getKeys($path, $keys);
    }
protected function getFileKeys($path, array $keys)
    {
        if (!$this->hasFile($path)) {
            return false;
        }

        return $this->getKeys($path, $keys);
    }
protected function getFileKeys ( $ path , array $ keys ) { if ( ! $ this -> hasFile ( $ path ) ) { return false ; } return $ this -> getKeys ( $ path , $ keys ) ; }
Returns the keys for a file.

@param string $path
@param array  $keys

@return array|false
Returns the keys for a file .