/**
* @param Page $page
* @return $this
*/
public function removeChildPage(Page $page)
{
if ($this->childPages->contains($page)) {
$this->childPages->removeElement($page);
$page->setParentPage(null);
}
return $this;
}
/**
* @param Page $page
*
* @return Page
*/
public function removeChild(Page $page)
{
$this->children->removeElement($page);
return $this;
}