DAOResultIterator.inc.php

<?php
 
class DAOResultIterator implements Iterator, Countable {
   var $_resultFactory;
 
   var $_current = null;
 
   var $_i = 0;
 
   public function __construct($resultFactory) {
      $this->_resultFactory = $resultFactory;
      $this->_current = $this->_resultFactory->next();
   }
 
   public function current() {
      return $this->_current;
   }
 
   public function key() {
      if (!$this->_current) return null;
      return $this->_i;
      return $this->_current->getId();
   }
 
   public function next() {
      $this->_current = $this->_resultFactory->next();
      $this->_i++;
   }
 
   public function rewind() {
      if ($this->_i != 0) throw new Exception('DAOResultIterator currently does not support rewind() once iteration has started.');
   }
 
   public function valid() {
      return ($this->_current !== null);
   }
 
   public function count() {
      return $this->_resultFactory->getCount();
   }
}