Manager::getAvailablePages

protected function getAvailablePages(CustomSection $customSection): array
{
	$pages = $customSection->getPages();
	if (is_null($pages))
	{
		return [];
	}

	$availablePages = [];
	foreach ($pages as $page)
	{
		if ($this->isPageAvailable($page))
		{
			$availablePages[] = $page;
		}
	}

	return $availablePages;
}