/**
* insert every postId in $featured in the position set in $featuredPost[position] in the cachedIds array
* - and remove double occurrences
* - and only in the given time period
*/
public function insertFeaturedPosts($cachedIds, $featured) {
foreach ($featured as $featuredPost) {
unset($cachedIds[$featuredPost['featured_post'][0]]);
$dateNow = new \DateTime(date('Y-m-d'));
$dateStart = new \DateTime($featuredPost['starting_date']);
$dateExpire = new \DateTime($featuredPost['expiration_date']);
if ($dateStart <= $dateNow && $dateNow <= $dateExpire) {
$pos = $featuredPost['position'][0] - 1;
$postId = $featuredPost['featured_post'][0];
$cachedIds = array_merge(array_slice($cachedIds, 0, $pos), [$postId], array_slice($cachedIds, $pos, NULL));
}
}
return $cachedIds;
}