/**
* Create a new iterator for the number of seconds in a range.
*
* @param DateTime $start The start date of the range
* @param DateTime $end The end date of the range
*/
public function __construct(DateTime $start, DateTime $end)
{
$this->start = $start->timestamp();
$this->end = $end->timestamp();
$this->rewind();
}
/**
* Check if the current position is valid.
*
* @return bool
*/
public function valid()
{
return $this->date->timestamp() <= $this->end;
}