RecursiveTreeIterator::key
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
RecursiveTreeIterator::key — Get the key of the current element
Description
Gets the current key prefixed and postfixed.
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.