PHPのExceptionの種類

class Exception
	class ErrorException extends Exception
	class LogicException extends Exception
		class BadFunctionCallException extends LogicException
		class BadMethodCallException extends BadFunctionCallException
		class DomainException extends LogicException
		class InvalidArgumentException extends LogicException
		class LengthException extends LogicException
		class OutOfRangeException extends LogicException
	class RuntimeException extends Exception
		class OutOfBoundsException extends RuntimeException
		class OverflowException extends RuntimeException
		class RangeException extends RuntimeException
		class UnderflowException extends RuntimeException
		class UnexpectedValueException extends RuntimeException