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RecursiveIteratorIterator::getSubIterator

(PHP 5, PHP 7, PHP 8)

RecursiveIteratorIterator::getSubIterator — The current active sub iterator

public RecursiveIteratorIterator::getSubIterator(?int $level = null): ?RecursiveIterator

警告

本函数还未编写文档，仅有参数列表。

The current active sub iterator on success; null on failure.

版本	说明
8.0.0	`level` is now nullable.

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lovePhp ¶

5 years ago


Please document this method. I have found a use for it and would love to better understand how it works. TY : )