ReflectionFunctionAbstract::getExtension

    (PHP 5 >= 5.2.0, PHP 7, PHP 8)

    ReflectionFunctionAbstract::getExtension — 获取扩展信息

    说明

    public ReflectionFunctionAbstract::getExtension(): ?ReflectionExtension

    获取函数的扩展信息

    参数

    此函数没有参数。

    返回值

    包含扩展信息的 ReflectionExtension 对象，用户定义的函数则为 null。

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