표준 PHP 라이브러리(SPL) The ParentIterator class

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

소개

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이 확장된 FilterIterator는 자식이 있는 요소만 표시하는 RecursiveIteratorIterator를 사용하여 재귀 반복을 허용합니다.

클래스 개요

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class ParentIterator extends RecursiveFilterIterator {

  /* Methods */
  public __construct(RecursiveIterator $iterator)
  public accept(): bool
  public getChildren(): ParentIterator
  public hasChildren(): bool
  public next(): void
  public rewind(): void

  /* Inherited methods */
  public RecursiveFilterIterator::getChildren(): ?RecursiveFilterIterator
  public RecursiveFilterIterator::hasChildren(): bool
  public FilterIterator::accept(): bool
  public FilterIterator::current(): mixed
  public FilterIterator::getInnerIterator(): Iterator
  public FilterIterator::key(): mixed
  public FilterIterator::next(): void
  public FilterIterator::rewind(): void
  public FilterIterator::valid(): bool
  public IteratorIterator::current(): mixed
  public IteratorIterator::getInnerIterator(): ?Iterator
  public IteratorIterator::key(): mixed
  public IteratorIterator::next(): void
  public IteratorIterator::rewind(): void
  public IteratorIterator::valid(): bool
}
                  
                

목차

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• ParentIterator::accept — Determines acceptability
• ParentIterator::__construct — ParentIterator를 생성합니다.
• ParentIterator::getChildren — ParentIterator에 포함된 내부 반복자의 자식을 반환합니다.
• ParentIterator::hasChildren — 내부 반복자의 현재 요소에 자식이 있는지 확인
• ParentIterator::next — 반복자를 앞으로 이동
• ParentIterator::rewind — 반복자 되감기