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

CallbackFilterIterator::__constructCreate a filtered iterator from another iterator


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

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

Bağımsız Değişkenler


The iterator to be filtered.


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

May be any valid callable value.

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