IteratorIterator::getInnerIterator

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

IteratorIterator::getInnerIterator — Get the inner iterator

说明

public IteratorIterator::getInnerIterator(): ?Iterator

Get the inner iterator.

参数

此函数没有参数。

返回值

The inner iterator as passed to IteratorIterator::__construct(), or null when there is no inner iterator.