DiDom\Element::cloneNode PHP Method

    public function cloneNode($deep = true)
    {
        return new Element($this->node->cloneNode($deep));
    }

 public function testCloneNode()
 {
     $element = new Element('input');
     $cloned = $element->cloneNode(true);
     $this->assertFalse($element->is($cloned));
 }