function validate($input, $type) { /** * チェーンの作成 * typeの値によってチェーンを動的に変更 */ $chain = new Chain(); $chain->setHandler(new NotNullValidationHandler()); $chain->setHandler(new MaxLengthValidationHandler()); //$chain -> setHandler(new MaxLengthValidationHandler(8)); switch ($type) { case 1: $chain->setHandler(new AlphabetValidationHandler()); break; case 2: $chain->setHandler(new NumberValidationHandler()); break; } return $chain->validate($input); }