표준 PHP 라이브러리(SPL) The RecursiveIteratorIterator class

(PHP 5, PHP 7, PHP 8)

소개

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재귀 반복자를 통해 반복하는 데 사용할 수 있습니다.

클래스 개요

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class RecursiveIteratorIterator implements OuterIterator {

  /* Constants */
  const int LEAVES_ONLY = 0;
  const int SELF_FIRST = 1;
  const int CHILD_FIRST = 2;
  const int CATCH_GET_CHILD = 16;

  /* Methods */
  public __construct(Traversable $iterator, int $mode = RecursiveIteratorIterator::LEAVES_ONLY, int $flags = 0)
  public beginChildren(): void
  public beginIteration(): void
  public callGetChildren(): ?RecursiveIterator
  public callHasChildren(): bool
  public current(): mixed
  public endChildren(): void
  public endIteration(): void
  public getDepth(): int
  public getInnerIterator(): RecursiveIterator
  public getMaxDepth(): int|false
  public getSubIterator(?int $level = null): ?RecursiveIterator
  public key(): mixed
  public next(): void
  public nextElement(): void
  public rewind(): void
  public setMaxDepth(int $maxDepth = -1): void
  public valid(): bool
}
                  
                

미리 정의된 상수

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RecursiveIteratorIterator::LEAVES_ONLY

RecursiveIteratorIterator::SELF_FIRST

RecursiveIteratorIterator::CHILD_FIRST

RecursiveIteratorIterator::CATCH_GET_CHILD

목차

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• RecursiveIteratorIterator::beginChildren — Begin children
• RecursiveIteratorIterator::beginIteration — Begin Iteration
• RecursiveIteratorIterator::callGetChildren — Get children
• RecursiveIteratorIterator::callHasChildren — Has children
• RecursiveIteratorIterator::__construct — Construct a RecursiveIteratorIterator
• RecursiveIteratorIterator::current — Access the current element value
• RecursiveIteratorIterator::endChildren — End children
• RecursiveIteratorIterator::endIteration — End Iteration
• RecursiveIteratorIterator::getDepth — Get the current depth of the recursive iteration
• RecursiveIteratorIterator::getInnerIterator — Get inner iterator
• RecursiveIteratorIterator::getMaxDepth — Get max depth
• RecursiveIteratorIterator::getSubIterator — The current active sub iterator
• RecursiveIteratorIterator::key — Access the current key
• RecursiveIteratorIterator::next — Move forward to the next element
• RecursiveIteratorIterator::nextElement — Next element
• RecursiveIteratorIterator::rewind — Rewind the iterator to the first element of the top level inner iterator
• RecursiveIteratorIterator::setMaxDepth — Set max depth
• RecursiveIteratorIterator::valid — Check whether the current position is valid