public function getSimpleCache()
{
$simplecache = elgg_extract('simplecache', $this->getViewsData(), []);
$locations = elgg_extract('locations', $this->getViewsData(), []);
$tree = [];
foreach ($simplecache as $view => $foo) {
$tree[$view] = '';
}
// add all static views
foreach ($locations as $viewtype) {
foreach ($viewtype as $view => $location) {
if (pathinfo($location, PATHINFO_EXTENSION) !== 'php') {
$tree[$view] = '';
}
}
}
ksort($tree);
return $tree;
}