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<FilterIterator::currentFilterIterator::next>
^FilterIteratorLast updated: Mon, 26 Oct 2026

FilterIterator::key

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

FilterIterator::key — Get the current key

Description

public function FilterIterator::key(): mixed
Warning

This function is currently not documented; only its argument list is available.

Get the current key.

Parameters

This function has no parameters.

Return Values

The current key.

See Also


<FilterIterator::currentFilterIterator::next>
^FilterIteratorLast updated: Mon, 26 Oct 2026