AppendIterator::valid
  (PHP 5 >= 5.1.0, PHP 7, PHP 8)
AppendIterator::valid — Checks validity of the current element
  
 
  Description
  
   public AppendIterator::valid(): 
bool 
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns true if the current iteration is valid, false otherwise.