CallbackFilterIterator::__construct

PHP function Edit on GitHub ✎

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

Create a filtered iterator from another iterator

Description

CallbackFilterIterator::__construct(Iterator $iterator, callable $callback)

Creates a filtered iterator using the callback to determine which items are accepted or rejected.

iterator

The iterator to be filtered.

callback

The callback, which should return true to accept the current item or false otherwise. See Examples.

May be any valid callable value.