Retrieve an external iterator or traversable

# IteratorAggregate::getIterator

(PHP 5, PHP 7, PHP 8)

IteratorAggregate::getIterator — Retrieve an external iterator or traversable

### Description

public IteratorAggregate::getIterator(): Traversable

Returns an external iterator or traversable.

### Parameters

This function has no parameters.

### Return Values

An instance of an object implementing Iterator or Traversable

### Errors/Exceptions

Throws an Exception on failure.

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