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PHP Manual
迭代器
FilterIterator 類(lèi)

FilterIterator 類(lèi)

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

簡(jiǎn)介

這個(gè)抽象類(lèi)的遍歷并過(guò)濾出不想要的值。這個(gè)類(lèi)應該被實(shí)現了迭代過(guò)濾器的類(lèi)繼承 FilterIterator::accept() 方法必須被子類(lèi)實(shí)現。

類(lèi)摘要

abstract class FilterIterator extends IteratorIterator {

/* 方法 */

public __construct(Iterator $iterator)

/* 繼承的方法 */

public IteratorIterator::current(): mixed

public IteratorIterator::getInnerIterator(): ?Iterator

public IteratorIterator::key(): mixed

public IteratorIterator::next(): void

public IteratorIterator::rewind(): void

public IteratorIterator::valid(): bool

}

目錄

FilterIterator::accept — Check whether the current element of the iterator is acceptable
FilterIterator::__construct — Construct a filterIterator
FilterIterator::current — Get the current element value
FilterIterator::getInnerIterator — Get the inner iterator
FilterIterator::key — Get the current key
FilterIterator::next — Move the iterator forward
FilterIterator::rewind — Rewind the iterator
FilterIterator::valid — Check whether the current element is valid

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