RecursiveIteratorIterator::getSubIterator
PHP function
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(PHP 5, PHP 7, PHP 8)
The current active sub iterator
Description
RecursiveIteratorIterator::getSubIterator(int|null $level = null): RecursiveIterator|null
Func
Parameters
level
Return Values
The current active sub iterator on success; null on failure.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | level is now nullable. |