RecursiveIteratorIterator::key
  (PHP 5)
RecursiveIteratorIterator::key — Access the current key
  
 
  Description
  
   mixed RecursiveIteratorIterator::key
    ( 
void
   )
 
   WarningThis function is
currently not documented; only its argument list is available.
 
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   The current key.