FluidXml\FluidXml::context PHP Метод

    protected function context()
    {
        $el = $this->document->dom->documentElement;
        if ($el === null) {
            // Whether there is not a root node
            // the DOMDocument is promoted as root node.
            $el = $this->document->dom;
        }
        if ($this->context === null || $el !== $this->contextEl) {
            // The user can prepend a root node to the current root node.
            // In this case we have to update the context with the new first root node.
            $this->context = new FluidContext($this->document, $this->handler, $el);
            $this->contextEl = $el;
        }
        return $this->context;
    }