/**
phpDox
Overview
Namespaces
Interfaces
Classes
Traits
Source
Overview
Classes
Zend\Mail\Storage
Folder
key
Introduction
Synopsis
Return
Interface
Source
Zend\Mail\Storage\Folder::
key
implements Iterator::key()
Signature
public function key()
Returns
string
key/local name of current element
Defined by Interface
RecursiveIterator