Goetas\Twital\Helper\DOMHelper::removeChilds PHP Method

    public static function removeChilds(\DOMNode $ref)
    {
        while ($ref->hasChildNodes()) {
            $ref->removeChild($ref->firstChild);
        }
    }

 public function visit(\DOMAttr $att, Compiler $context)
 {
     $node = $att->ownerElement;
     DOMHelper::removeChilds($node);
     $pi = $context->createPrintNode(html_entity_decode($att->value));
     $node->appendChild($pi);
     $node->removeAttributeNode($att);
 }