+ if ($since >= 0) {
+ $qb->andWhere('e.updatedAt > :since')->setParameter('since', new \DateTime(date('Y-m-d H:i:s', $since)));
+
+ if ('' !== $tags) {
+ foreach (explode(',', $tags) as $tag) {
+ $qb->andWhere('t.label = :label')->setParameter('label', $tag);
+ }
+ }
+