RecursiveCachingIterator::getChildren
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
RecursiveCachingIterator::getChildren — Return the inner iterator's children as a RecursiveCachingIterator
参数
此函数没有参数。
返回值
The inner iterator's children, as a RecursiveCachingIterator; or null if there is no children.
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