Fixed regression effect introduced by d6f9160

Author: Geolim4

src/phpFastCache/Core/Item/ItemExtendedTrait.php

@@ -368,7 +368,7 @@ public function removeTags(array $tagNames): ExtendedCacheItemInterface
      */
     public function getRemovedTags(): array
     {
-        return \array_merge($this->removedTags, $this->tags);
+        return \array_diff($this->removedTags, $this->tags);
     }
 
     /**

src/phpFastCache/Core/Pool/ExtendedCacheItemPoolTrait.php

@@ -95,7 +95,7 @@ public function getItemsByTagsAll(array $tagNames)
         $items = $this->getItemsByTags($tagNames);
 
         foreach ($items as $key => $item) {
-            if (\array_merge($tagNames, $item->getTags())) {
+            if (\array_diff($tagNames, $item->getTags())) {
                 unset($items[ $key ]);
             }
         }

src/phpFastCache/Drivers/Sqlite/Driver.php

@@ -384,6 +384,6 @@ public function getDb($keyword, $reset = false): PDO
      */
     public function __sleep(): array
     {
-        return \array_merge(\array_keys(\get_object_vars($this)), ['indexing', 'instance']);
+        return \array_diff(\array_keys(\get_object_vars($this)), ['indexing', 'instance']);
     }
 }