RecursiveIteratorIterator::setMaxDepth

Set max depth

&reftitle.description; public `void` `RecursiveIteratorIterator::setMaxDepth` `int` `maxDepth`-1

Set the maximum allowed depth.

&warn.undocumented.func;
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`maxDepth`

- The maximum allowed depth. `-1` is used for any depth.

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&return.void;

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Emits an `Exception` if `maxDepth` is less than `-1`.