/**
* Allows developers to specify a list of nav items that build the
* path to the current page or, in jargon, "breadcrumbs".
*
* @since Symphony 2.3
* @param array $values
* An array of `XMLElement`'s or strings that compose the path. If breadcrumbs
* already exist, any new item will be appended to the rightmost part of the
* path.
*/
public function insertBreadcrumbs(array $values)
{
if (empty($values)) {
return;
}
if ($this->Breadcrumbs instanceof XMLELement && count($this->Breadcrumbs->getChildrenByName('nav')) === 1) {
$nav = $this->Breadcrumbs->getChildrenByName('nav');
$nav = $nav[0];
$p = $nav->getChild(0);
} else {
$p = new XMLElement('p');
$nav = new XMLElement('nav');
$nav->appendChild($p);
$this->Breadcrumbs->prependChild($nav);
}
foreach ($values as $v) {
$p->appendChild($v);
$p->appendChild(new XMLElement('span', '›', array('class' => 'sep')));
}
}