PHPStan level 3

src/Wallabag/CoreBundle/Repository/EntryRepository.php

@@ -429,7 +429,7 @@ class EntryRepository extends ServiceEntityRepository
     /**
      * Find all entries which have an empty value for hash.
      *
-     * @return Entry|false
+     * @return Entry[]
      */
     public function findByEmptyHashedUrlAndUserId(int $userId)
     {

src/Wallabag/CoreBundle/Repository/SiteCredentialRepository.php

@@ -42,7 +42,7 @@ class SiteCredentialRepository extends ServiceEntityRepository
             ->getOneOrNullResult();
 
         if (null === $res) {
-            return;
+            return null;
         }
 
         // decrypt user & password before returning them