Get the key of the current element

RecursiveTreeIterator::key

(PHP 5 >= 5.3.0)

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

public string RecursiveTreeIterator::key ( void )

Gets the current key prefixed and postfixed.

Warning

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

This function has no parameters.

Returns the current key prefixed and postfixed.