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PHP filteriterator 组件

FilterIterator 类

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

简介

这个抽象类的遍历并过滤出不想要的值。这个类应该被实现了迭代过滤器的类继承 FilterIterator::accept() 方法必须被子类实现。

类摘要

abstract class FilterIterator extends IteratorIterator {

/* 方法 */

public __construct(Iterator $iterator)

public accept(): bool

public current(): mixed

public getInnerIterator(): Iterator

public key(): mixed

public next(): void

public rewind(): void

public valid(): bool

/* 继承的方法 */

public IteratorIterator::current(): mixed

public IteratorIterator::getInnerIterator(): ?Iterator

public IteratorIterator::key(): mixed

public IteratorIterator::next(): void

public IteratorIterator::rewind(): void

public IteratorIterator::valid(): bool

}

目录

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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