CallbackFilterIterator::__construct

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CallbackFilterIterator::__construct

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

CallbackFilterIterator::__constructCreate a filtered iterator from another iterator


Description

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

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


Parameters

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.


Return Values

No value is returned.


See Also


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https://www.php.net/manual/en/callbackfilteriterator.construct.php