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    RecursiveIteratorIterator::callGetChildren

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    RecursiveIteratorIterator::callGetChildren — Get children

    说明

    public RecursiveIteratorIterator::callGetChildren(): ?RecursiveIterator

    Get children of the current element.

    参数

    此函数没有参数。

    返回值

    A RecursiveIterator() on success, or null on failure.

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