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

abstract class FilterIterator extends IteratorIterator {
/* Methods */
public __construct(Iterator $iterator)
public accept(): bool
public current(): mixed
public key(): mixed
public next(): void
public rewind(): void
public valid(): bool
/* Inherited methods */
public IteratorIterator::current(): mixed
public IteratorIterator::getInnerIterator(): ?Iterator
public IteratorIterator::key(): mixed
public IteratorIterator::next(): void
public IteratorIterator::rewind(): void
public IteratorIterator::valid(): bool
}

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