private function storeTags($inputTags) { $tags = explode(',', $inputTags['tags']); $tags = array_map(function ($item) { return trim($item); }, $tags); $tags = array_filter($tags); $tagsIDs = array_map(function ($tagName) { return Tag::firstOrCreate(['name' => $tagName])->id; }, $tags); return $tagsIDs; }