/**
* get the tree of the page
*
* @return array of Application\Sonata\PageBundle\Entity\Page
*/
public function getParents()
{
if (!$this->parents) {
$parents = array();
$snapshot = $this->snapshot;
while ($snapshot) {
$content = json_decode($snapshot->getContent(), true);
$parentId = $content['parent_id'];
$snapshot = $parentId ? $this->manager->getSnapshotByPageId($parentId) : null;
if ($snapshot) {
$parents[] = new SnapshotPageProxy($this->manager, $snapshot);
}
}
$this->setParents(array_reverse($parents));
}
return $this->parents;
}
