class RecursiveTreeIterator extends RecursiveIteratorIterator {

public const int RecursiveIteratorIterator::LEAVES_ONLY;

public const int RecursiveIteratorIterator::SELF_FIRST;

public const int RecursiveIteratorIterator::CHILD_FIRST;

public const int RecursiveIteratorIterator::CATCH_GET_CHILD;

public const int BYPASS_CURRENT;

public const int BYPASS_KEY;

public const int PREFIX_LEFT;

public const int PREFIX_MID_HAS_NEXT = 1;

public const int PREFIX_MID_LAST = 2;

public const int PREFIX_END_HAS_NEXT = 3;

public const int PREFIX_END_LAST = 4;

public const int PREFIX_RIGHT = 5;

public __construct(
    RecursiveIterator|IteratorAggregate $iterator,
    int $flags = RecursiveTreeIterator::BYPASS_KEY,
    int $cachingIteratorFlags = CachingIterator::CATCH_GET_CHILD,
    int $mode = RecursiveTreeIterator::SELF_FIRST
)

public beginChildren(): void

public beginIteration(): RecursiveIterator

public callGetChildren(): RecursiveIterator

public callHasChildren(): bool

public current(): mixed

public endChildren(): void

public endIteration(): void

public getEntry(): string

public getPostfix(): string

public getPrefix(): string

public key(): mixed

public next(): void

public nextElement(): void

public rewind(): void

public setPostfix(string $postfix): void

public setPrefixPart(int $part, string $value): void

public valid(): bool

public RecursiveIteratorIterator::beginChildren(): void

public RecursiveIteratorIterator::beginIteration(): void

public RecursiveIteratorIterator::callGetChildren(): ?RecursiveIterator

public RecursiveIteratorIterator::callHasChildren(): bool

public RecursiveIteratorIterator::current(): mixed

public RecursiveIteratorIterator::endChildren(): void

public RecursiveIteratorIterator::endIteration(): void

public RecursiveIteratorIterator::getDepth(): int

public RecursiveIteratorIterator::getInnerIterator(): RecursiveIterator

public RecursiveIteratorIterator::getMaxDepth(): int|false

public RecursiveIteratorIterator::getSubIterator(?int $level = null): ?RecursiveIterator

public RecursiveIteratorIterator::key(): mixed

public RecursiveIteratorIterator::next(): void

public RecursiveIteratorIterator::nextElement(): void

public RecursiveIteratorIterator::rewind(): void

public RecursiveIteratorIterator::setMaxDepth(int $maxDepth = -1): void

public RecursiveIteratorIterator::valid(): bool