id = (int) $this->id; $this->url = (string) $this->url; $this->status = (string) $this->status; $this->modified = false === $this->modified ? 0 : strtotime( $this->modified ); $this->last_accessed = false === $this->last_accessed ? 0 : strtotime( $this->last_accessed ); $this->is_locked = (bool) $this->is_locked; } }