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<RecursiveIteratorIterator::getMaxDepthRecursiveIteratorIterator::key>
^RecursiveIteratorIteratorLast updated: Mon, 26 Oct 2026

RecursiveIteratorIterator::getSubIterator

(PHP 5, PHP 7, PHP 8)

RecursiveIteratorIterator::getSubIterator — The current active sub iterator

Description

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

This function is currently not documented; only its argument list is available.

Parameters

level

Return Values

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

Changelog

Version Description
8.0.0 level is now nullable.


<RecursiveIteratorIterator::getMaxDepthRecursiveIteratorIterator::key>
^RecursiveIteratorIteratorLast updated: Mon, 26 Oct 2026