The OuterIterator interface

(PHP 5 >= 5.1.0, PHP 7)

简介

Classes implementing OuterIterator can be used to iterate over iterators.

OuterIterator extends Iterator {

/* 方法 */

public getInnerIterator ( void ) : Iterator

/* 继承的方法 */

abstract public Iterator::current ( void ) : mixed

abstract public Iterator::key ( void ) : scalar

abstract public Iterator::next ( void ) : void

abstract public Iterator::rewind ( void ) : void

abstract public Iterator::valid ( void ) : bool

}

OuterIterator::getInnerIterator — Returns the inner iterator for the current entry

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