(PHP 5 >= 5.3.0, PHP 7)
RecursiveTreeIterator::rewind — Rewind iterator
public RecursiveTreeIterator::rewind ( ) : void
Rewinds the iterator to the first element of the top level inner iterator.
This function is currently not documented; only its argument list is available.
This function has no parameters.
No value is returned.
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https://www.php.net/manual/en/recursivetreeiterator.rewind.php