public function get($namespace, $index)
    {
        if (!isset($this->storage[$namespace][$index])) {
            return null;
        }

        return $this->storage[$namespace][$index];
    }
public function get($namespace, $index)
    {
        if (!isset($this->storage[$namespace][$index])) {
            return null;
        }

        return $this->storage[$namespace][$index];
    }
public function get ( $ namespace , $ index ) { if ( ! isset ( $ this -> storage [ $ namespace ] [ $ index ] ) ) { return null ; } return $ this -> storage [ $ namespace ] [ $ index ] ; }
Returns key from local storage

@param string $namespace
@param int    $index

@return string|null
Returns key from local storage