MultipleIterator::key
(PHP 5 >= 5.3.0)
MultipleIterator::key — Gets the registered iterator instances
Description
   public void MultipleIterator::key
    ( void
   )
  Get the registered iterator instances.
Warning
 This function is currently not documented; only its argument list is available.
Parameters
This function has no parameters.
Return Values
An array of all registered iterator instances, or FALSE if no sub iterator is attached.
Errors/Exceptions
A LogicException if mode MIT_NEED_ALL is set, and at least one attached iterator is not valid.