public function addLink($url = '', $title = '', $rel = '', $type = '', $hreflang = '')
{
$found = FALSE;
if ($rel == 'alternate') {
// only add alternate-link if it doesn't exist yet
foreach ($this->links as $current_link) {
if ($current_link->getRelation() == 'alternate' && $current_link->getLinkType() == $type && $current_link->getURLlang() == $hreflang) {
$found = TRUE;
break;
}
// end if
}
// end foreach
}
// end if
if ($found == FALSE) {
$newlink = new AtomBuilderLink($url);
if (parent::isFilledString($title) == TRUE) {
$newlink->setTitle($title);
}
// end if
if (parent::isFilledString($hreflang) == TRUE) {
$newlink->setURLlang($hreflang);
}
// end if
if (parent::isFilledString($type) == TRUE) {
$newlink->setLinkType($type);
}
// end if
if (parent::isFilledString($rel) == TRUE) {
$newlink->setRelation($rel);
}
// end if
$this->links->addObject($newlink);
}
// end if
}
protected function getLink(AtomBuilderLink $link, $parentnode)
{
$newnode = $this->xml->createElement('link');
if ($link->getRelation() != FALSE) {
$newnode->setAttribute('rel', $link->getRelation());
}
// end if
if ($link->getLinkType() != FALSE) {
$newnode->setAttribute('type', $link->getLinkType());
}
// end if
$newnode->setAttribute('href', $link->getURL());
if ($link->getTitle() != FALSE) {
$newnode->setAttribute('title', $link->getTitle());
}
// end if
if ($link->getURLlang() != FALSE) {
$newnode->setAttribute('hreflang', $link->getURLlang());
}
// end if
$parentnode->appendChild($newnode);
}
