# The ReflectionType class

(PHP 7)

## はじめに

The ReflectionType class reports information about a function's return type.

## クラス概要

ReflectionType {
/* メソッド */
public allowsNull ( void ) : bool
public isBuiltin ( void ) : bool
public __toString ( void ) : string
}

## 目次

- ReflectionType::allowsNull — Checks if null is allowed
- ReflectionType::isBuiltin — Checks if it is a built-in type
- ReflectionType::__toString — To string