PHP 8.3.0 RC 6 available for testing
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    The RecursiveCachingIterator class

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

    简介

    ...

    类摘要

    class RecursiveCachingIterator extends CachingIterator implements RecursiveIterator {
    /* 继承的常量 */
    public const int CachingIterator::CALL_TOSTRING;
    public const int CachingIterator::CATCH_GET_CHILD;
    public const int CachingIterator::TOSTRING_USE_KEY;
    public const int CachingIterator::TOSTRING_USE_CURRENT;
    public const int CachingIterator::TOSTRING_USE_INNER;
    public const int CachingIterator::FULL_CACHE;
    /* 方法 */
    public __construct(Iterator $iterator, int $flags = RecursiveCachingIterator::CALL_TOSTRING)
    public getChildren(): ?RecursiveCachingIterator
    public hasChildren(): bool
    /* 继承的方法 */
    public CachingIterator::count(): int
    public CachingIterator::current(): mixed
    public CachingIterator::getCache(): array
    public CachingIterator::getFlags(): int
    public CachingIterator::hasNext(): bool
    public CachingIterator::key(): scalar
    public CachingIterator::next(): void
    public CachingIterator::offsetExists(string $key): bool
    public CachingIterator::offsetGet(string $key): mixed
    public CachingIterator::offsetSet(string $key, mixed $value): void
    public CachingIterator::offsetUnset(string $key): void
    public CachingIterator::rewind(): void
    public CachingIterator::setFlags(int $flags): void
    public CachingIterator::__toString(): string
    public CachingIterator::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
    }

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