$admin->id ?? 0, 'department_id' => $admin->department_id ?? 0, 'user_id' => $user->id ?? 0, 'visit_id' => $visit_id, 'remark' => $remark ]); } public function admin(){ return $this->hasOne(Admin::class,'id','admin_id'); } public function user(){ return $this->hasOne(User::class,'id','user_id'); } }