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モジュール結合度の具体例
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<?php | |
// メッセージ結合(低) | |
public function greeting() | |
{ | |
return '私は山田、26歳です。'; | |
} | |
// データ結合 | |
public function greeting($name, $age) | |
{ | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
// スタンプ結合 | |
public function greeting($user) | |
{ | |
$name = $user->name; | |
$age = $user->age; | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
// 制御結合 | |
public function greeting($name, $age) | |
{ | |
if ($age < 0) { | |
return 'ばぶー。'; | |
} else { | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
} | |
// 外部結合 | |
public function greeting($name) | |
{ | |
$age = User::$age; | |
if ($age < 0) { | |
return 'ばぶー。'; | |
} else { | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
} | |
// 共有結合 | |
public function greeting() | |
{ | |
$user = new User(); | |
$name = $user->name; | |
$age = $user->age; | |
if ($age < 0) { | |
return 'ばぶー。'; | |
} else { | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
} | |
// 内容結合(高) | |
public function greeting() | |
{ | |
$user = new User(); | |
$name = $user->name; | |
$age = $user->age; | |
if ($age < 0) { | |
return 'ばぶー。'; | |
} elseif ($age >= 18) { | |
$user->status = '成人'; | |
} else { | |
return '私は' . $name . '、' . $age . '歳です。'; | |
} | |
} |
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