$saji->setName("佐治", "和弘");
$saji->setEmail("*****@*****.**");
$iwasaki = new User();
$iwasaki->setName("岩崎", "拓海");
$iwasaki->setEmail("*****@*****.**");
$hayashi = new User();
$hayashi->setName("早矢仕", "玄");
$hayashi->setEmail("*****@*****.**");
$object_seminar = new Seminar();
$object_seminar->setTitle("オブジェクト指向セミナー");
echo $object_seminar->getTitle() . '<BR>';
$object_seminar->attendAccept($iwasaki);
$object_seminar->attendAccept($saji);
$object_seminar->attendAccept($hayashi);
$object_seminar->getAttendList();
$object_seminar->cancelAccept($saji);
$object_seminar->getCancelList();
$object_seminar->getAttendList();
echo "<BR><BR><hr>";
echo "<h2>クライアントセミナーテスト</h2>";
echo "<BR>";
$client_seminar = new ClientSeminar();
$google = new Client();
$google->setName("Google");
$google->setEmail("*****@*****.**");
$client_seminar->setClient($google);
$client_seminar->setTitle("Google説明会");
$client_seminar->attendAccept($iwasaki);
$client_seminar->attendAccept($saji);
$client_seminar->attendAccept($hayashi);
$client_seminar->getAttendList();
 public function cancelAccept($user)
 {
     parent::cancelAccept($user);
     $message = $this->getTitle() . "をキャンセルしました" . "<BR>";
     $this->sendMailToClient($this->client->getEmail(), $user->getName(), $message);
 }