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PHP recursiveiteratoriterator 组件

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

}

预定义常量

RecursiveIteratorIterator::LEAVES_ONLY
RecursiveIteratorIterator::SELF_FIRST
RecursiveIteratorIterator::CHILD_FIRST
RecursiveIteratorIterator::CATCH_GET_CHILD

目录

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

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