RecursiveTreeIterator::key

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

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

Description

public 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.