kind = $kind; } public function has_kind() : bool { return $this->kind > 0; } public function get_kind() : int { return $this->kind; } //Set and get kind id public function set_kind_id(int $kind_id){ $this->kind_id = $kind_id; } public function has_kind_id() : bool { return $this->kind_id > 0; } public function get_kind_id() : int { return $this->kind_id; } }