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    CachingIterator::offsetUnset

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

    CachingIterator::offsetUnset — The offsetUnset purpose

    说明

    public CachingIterator::offsetUnset(string $key): void
    警告

    本函数还未编写文档，仅有参数列表。

    参数

    key

    The index of the element to be unset.

    返回值

    没有返回值。

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