CachingIterator::valid
  (PHP 5)
CachingIterator::valid — Check whether the current element is valid
  
 
  Description
  
   bool CachingIterator::valid
    ( void
   )
   WarningThis function is
currently not documented; only its argument list is available.
 
  
   Check whether the current element is valid.
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns TRUE on success or FALSE on failure.