public function getHtml()
{
$attributes = ["rel", "tabindex", "accesskey", "title", "name", "target"];
$attribs = [];
foreach ($attributes as $a) {
$attribs[] = $a . '="' . $this->{$a} . '"';
}
return '<a href="' . $this->getLink() . '" ' . implode(" ", $attribs) . '>' . htmlspecialchars($this->getProperty("navigation_name")) . '</a>';
}