W3cubDocs

/PHP

RecursiveCallbackFilterIterator::__construct

(PHP 5 >= 5.4.0, PHP 7)

RecursiveCallbackFilterIterator::__construct — Create a RecursiveCallbackFilterIterator from a RecursiveIterator

Description

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

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

Parameters

iterator

The recursive 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

RecursiveCallbackFilterIterator Examples
RecursiveCallbackFilterIterator::getChildren() - Return the inner iterator's children contained in a RecursiveCallbackFilterIterator
RecursiveCallbackFilteriterator::hasChildren() - Check whether the inner iterator's current element has children

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/recursivecallbackfilteriterator.construct.php