The RecursiveIteratorIterator class

    (PHP 5, PHP 7, PHP 8)

    简介

    Can be used to iterate through recursive iterators.

    类摘要

    class RecursiveIteratorIterator implements OuterIterator {
    /* 常量 */
    public const int LEAVES_ONLY;
    public const int SELF_FIRST;
    public const int CHILD_FIRST;
    public const int CATCH_GET_CHILD;
    /* 方法 */
    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
    }

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