Php/docs/class.parentiterator

• PHP Manual
• 迭代器
• The ParentIterator class

(PHP 5 >= 5.1.0, PHP 7)

简介

This extended FilterIterator allows a recursive iteration using RecursiveIteratorIterator that only shows those elements which have children.

类摘要

ParentIterator extends RecursiveFilterIterator implements RecursiveIterator , OuterIterator {

/* 方法 */

public accept ( ) : bool

public __construct ( RecursiveIterator $iterator )

public getChildren ( ) : ParentIterator

public hasChildren ( ) : bool

public next ( ) : void

public rewind ( ) : void

/* 继承的方法 */

public OuterIterator::getInnerIterator ( ) : Iterator

}

Table of Contents

• ParentIterator::accept — Determines acceptability
• ParentIterator::__construct — Constructs a ParentIterator
• ParentIterator::getChildren — Return the inner iterator's children contained in a ParentIterator
• ParentIterator::hasChildren — Check whether the inner iterator's current element has children
• ParentIterator::next — Move the iterator forward
• ParentIterator::rewind — Rewind the iterator