$id = $c->get_tutor(); $tutor = new Person($id); $json .= ' "tutor" : { "id" : "' . $tutor->get_id() . '", "role" : "' . $tutor->get_role() . '", "photo" : "' . $tutor->get_photo() . '", "firstname" : "' . $tutor->get_first_name() . '", "lastname" : "' . $tutor->get_last_name() . '", "date_of_birth" : "' . $tutor->get_date_of_birth() . '", "email" : "' . $tutor->get_email() . '", "phone" : "' . $tutor->get_phone() . '", "address" : "' . $tutor->get_address() . '" },'; $id_transporter = $c->get_transporter(); $transporter = new Transporter($id_transporter); $json .= ' "transporter" : { "id" : "' . $transporter->get_id() . '", "photo" : "' . $transporter->get_photo() . '", "firstname" : "' . $transporter->get_first_name() . '", "lastname" : "' . $transporter->get_last_name() . '", "email" : "' . $transporter->get_email() . '", "phone" : "' . $transporter->get_phone() . '", "address" : "' . $transporter->get_address() . '" }, "medicines" :['; $medicines = $c->get_medicines(); $second = true;