クラスにエラー保持機能をもたせるクラス。適用に作ったので、あまり使わない方が良いと思いますよ。PHP にだって、throw new Exceptionくらいできますので。
php-class-error is a PHP class file which make a class has an error-saving function. This repository is DEPRECATED since I made this file without thinking deeply. You can throw new Exception even in PHP.