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<?php
namespace DNADesign\Elemental\Extensions;
use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\Core\Extension;
/**
* Instructs the history viewer controller to be enabled for pages that have elemental
*/
class CMSPageHistoryViewerControllerExtension extends Extension
{
public function updateIsEnabled(SiteTree $page = null)
return $page && $page->hasExtension(ElementalPageExtension::class);
}