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<RecursiveTreeIterator::getPrefixRecursiveTreeIterator::next>
^RecursiveTreeIteratorLast updated: Mon, 26 Oct 2026

RecursiveTreeIterator::key

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

RecursiveTreeIterator::key — Get the key of the current element

Description

public function RecursiveTreeIterator::key(): mixed

Gets the current key prefixed and postfixed.

Warning

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

Parameters

This function has no parameters.

Return Values

Returns the current key prefixed and postfixed.


<RecursiveTreeIterator::getPrefixRecursiveTreeIterator::next>
^RecursiveTreeIteratorLast updated: Mon, 26 Oct 2026