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RecursiveCallbackFilterIterator::__constructCreate a RecursiveCallbackFilterIterator from a RecursiveIterator


public RecursiveCallbackFilterIterator::__construct(RecursiveIterator $iterator, callable $callback)

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



The recursive 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.

Return Values

No value is returned.

See Also

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