The FilterIterator class

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

    Introduction

    This abstract iterator filters out unwanted values. This class should be extended to implement custom iterator filters. The FilterIterator::accept() must be implemented in the subclass.

    Class synopsis

    abstractclassFilterIteratorextendsIteratorIterator {
    public__construct(Iterator$iterator)
    publicaccept(): bool
    publiccurrent(): mixed
    publickey(): mixed
    publicnext(): void
    publicrewind(): void
    publicvalid(): bool
    publicIteratorIterator::current(): mixed
    publicIteratorIterator::getInnerIterator(): ?Iterator
    publicIteratorIterator::key(): mixed
    publicIteratorIterator::next(): void
    publicIteratorIterator::rewind(): void
    publicIteratorIterator::valid(): bool
    }

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