The FilterIterator class

(PHP 5 >= 5.1.0, PHP 7)

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 FilterIterator extends IteratorIterator implements OuterIterator {

/* Methods */

public abstract accept ( void ) : bool

public __construct ( Iterator $iterator )

public current ( void ) : mixed

public getInnerIterator ( void ) : Iterator

public key ( void ) : mixed

public next ( void ) : void

public rewind ( void ) : void

public valid ( void ) : bool

}

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

The FilterIterator class

Introduction

Class synopsis

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