/**
phpDox
Overview
Namespaces
Interfaces
Classes
Traits
Source
Overview
Classes
Zend\Permissions\Rbac
AbstractIterator
key
Introduction
Synopsis
Return
Interface
Source
Zend\Permissions\Rbac\AbstractIterator::
key
(PHP 5 >= 5.0.0)<br/> Return the key of the current element
Signature
public function key()
Returns
scalar
scalar on success, or null on failure.
Defined by Interface
RecursiveIterator