(PHP 5 >= 5.1.0, PHP 7, PHP 8)
RecursiveIteratorIterator::setMaxDepth — Set max depth
Set the maximum allowed depth.
This function is currently not documented; only its argument list is available.
maxDepth
The maximum allowed depth. -1 is used
for any depth.
No value is returned.
Emits an Exception if maxDepth is less than -1.