Construct a RecursiveTreeIterator

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- PHP Manual
- RecursiveTreeIterator
- Construct a RecursiveTreeIterator

# RecursiveTreeIterator::__construct

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

RecursiveTreeIterator::__construct — Construct a RecursiveTreeIterator

### Description

public RecursiveTreeIterator::__construct(
RecursiveIterator|IteratorAggregate `$iterator`,
int `$flags` = RecursiveTreeIterator::BYPASS_KEY,
int `$cachingIteratorFlags` = CachingIterator::CATCH_GET_CHILD,
int `$mode` = RecursiveTreeIterator::SELF_FIRST
)

Constructs a new RecursiveTreeIterator from the supplied recursive iterator.

Warning

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

### Parameters

`iterator`

  The RecursiveIterator or IteratorAggregate to iterate over.

`flags`

  Flags may be provided which will affect the behavior of some methods. A list of the flags can found under RecursiveTreeIterator predefined constants.

`caching_it_flags`

  Flags to affect the behavior of the RecursiveCachingIterator used internally.

`mode`

  Flags to affect the behavior of the RecursiveIteratorIterator used internally.