RecursiveIteratorIterator::getSubIterator

(PHP 5, PHP 7, PHP 8)

RecursiveIteratorIterator::getSubIterator — The current active sub iterator

Description

public 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

VersionDescription
8.0.0level is now nullable.