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Bejson.com
PHP Manual
迭代器
The RecursiveIteratorIterator class

The RecursiveIteratorIterator class

(PHP 5, PHP 7, PHP 8)

簡(jiǎn)介

Can be used to iterate through recursive iterators.

類(lèi)摘要

class RecursiveIteratorIterator implements OuterIterator {

/* 常量 */

const int LEAVES_ONLY = 0;

const int SELF_FIRST = 1;

const int CHILD_FIRST = 2;

const int CATCH_GET_CHILD = 16;

/* 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

}

預定義常量

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

目錄

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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