Attaches iterator information

# MultipleIterator::attachIterator

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

MultipleIterator::attachIterator — Attaches iterator information

### Description

public MultipleIterator::attachIterator(Iterator `$iterator`, string|int|null `$info` = `null`): void

Attaches iterator information.

Warning

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

### Parameters

`iterator`

  The new iterator to attach.

`info`

  The associative information for the Iterator, which must be an int, a string, or `null`.

### Return Values

Description...

### Errors/Exceptions

An IllegalValueException if the `iterator` parameter is invalid, or if `info` is already associated information.

### See Also

- MultipleIterator::__construct() - Constructs a new MultipleIterator

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