where('is_del', 0) ->when(isset($params['id']) && $params['id'] !== '',function($query) use ($params){ $query->where('id', (int)$params['id']); }) ->when(isset($params['title']) && $params['title'] !== '',function($query) use ($params){ $query->where('title', 'like', "%{$params['title']}%"); }) ->when(isset($params['equivalent_to_title']) && $params['equivalent_to_title'] !== '',function($query) use ($params){ $query->where('title', $params['equivalent_to_title']); }) ->order('create_time DESC,id DESC'); } }