The RecursiveTreeIterator class

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    Introduction

    Allows iterating over a RecursiveIterator to generate an ASCII graphic tree.

    Class synopsis

    classRecursiveTreeIteratorextendsRecursiveIteratorIterator {
    publicconstintRecursiveIteratorIterator::LEAVES_ONLY;
    publicconstintRecursiveIteratorIterator::SELF_FIRST;
    publicconstintRecursiveIteratorIterator::CHILD_FIRST;
    publicconstintRecursiveIteratorIterator::CATCH_GET_CHILD;
    publicconstintBYPASS_CURRENT;
    publicconstintBYPASS_KEY;
    publicconstintPREFIX_LEFT;
    publicconstintPREFIX_MID_HAS_NEXT = 1;
    publicconstintPREFIX_MID_LAST = 2;
    publicconstintPREFIX_END_HAS_NEXT = 3;
    publicconstintPREFIX_END_LAST = 4;
    publicconstintPREFIX_RIGHT = 5;
    public__construct(
        RecursiveIterator|IteratorAggregate$iterator,
        int$flags = RecursiveTreeIterator::BYPASS_KEY,
        int$cachingIteratorFlags = CachingIterator::CATCH_GET_CHILD,
        int$mode = RecursiveTreeIterator::SELF_FIRST
    )
    publicbeginChildren(): void
    publicbeginIteration(): RecursiveIterator
    publiccallGetChildren(): RecursiveIterator
    publiccallHasChildren(): bool
    publiccurrent(): mixed
    publicendChildren(): void
    publicendIteration(): void
    publicgetEntry(): string
    publicgetPostfix(): string
    publicgetPrefix(): string
    publickey(): mixed
    publicnext(): void
    publicnextElement(): void
    publicrewind(): void
    publicsetPostfix(string$postfix): void
    publicsetPrefixPart(int$part, string$value): void
    publicvalid(): bool
    publicRecursiveIteratorIterator::beginChildren(): void
    publicRecursiveIteratorIterator::beginIteration(): void
    publicRecursiveIteratorIterator::callGetChildren(): ?RecursiveIterator
    publicRecursiveIteratorIterator::callHasChildren(): bool
    publicRecursiveIteratorIterator::current(): mixed
    publicRecursiveIteratorIterator::endChildren(): void
    publicRecursiveIteratorIterator::endIteration(): void
    publicRecursiveIteratorIterator::getDepth(): int
    publicRecursiveIteratorIterator::getInnerIterator(): RecursiveIterator
    publicRecursiveIteratorIterator::getMaxDepth(): int|false
    publicRecursiveIteratorIterator::getSubIterator(?int$level = null): ?RecursiveIterator
    publicRecursiveIteratorIterator::key(): mixed
    publicRecursiveIteratorIterator::next(): void
    publicRecursiveIteratorIterator::nextElement(): void
    publicRecursiveIteratorIterator::rewind(): void
    publicRecursiveIteratorIterator::setMaxDepth(int$maxDepth = -1): void
    publicRecursiveIteratorIterator::valid(): bool
    }

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