update : 2015.11.03
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Get the inner iterator
IteratorIterator
PHP Manual

IteratorIterator::getInnerIterator

(PHP 5 >= 5.1.0)

IteratorIterator::getInnerIterator — Get the inner iterator

설명

public Traversable IteratorIterator::getInnerIterator ( void )

Get the inner iterator.

인수

이 함수는 인수가 없습니다.

반환값

The inner iterator as passed to IteratorIterator::__construct().

IteratorIterator
PHP Manual