MultipleIterator::containsIterator

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

MultipleIterator::containsIterator — Checks if an iterator is attached

说明

Checks if an iterator is attached or not.

参数

iterator

The iterator to check.

返回值

成功时返回 true , 或者在失败时返回 false 。

参见

• MultipleIterator::valid() - Checks the validity of sub iterators