/**
* Advances the iterator pointer to the next element
*
* @return void
*/
public function next()
{
$this->_index++;
if (!$this->_finished) {
parent::next();
}
}
/**
* Returns the value returned by the callback after passing the current value in
* the iteration
*
* @return mixed
*/
public function current()
{
$callback = $this->_callback;
return $callback(parent::current(), $this->key(), $this->_innerIterator);
}
