Create an iterator from anything that is traversable

# IteratorIterator::__construct

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

IteratorIterator::__construct — Create an iterator from anything that is traversable

### Description

public IteratorIterator::__construct(Traversable `$iterator`, ?string `$class` = `null`)

Creates an iterator from anything that is traversable.

### Parameters

`iterator`

  The traversable iterator.

`class`

  The class name to use for the inner iterator. It allows to specify a different iterator class to wrap the provided iterator. By default, it will use the `IteratorIterator` class itself.

### See Also

- Traversable

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