/**
*
* @param string $time
* @param type $object
*/
public function __construct($time = 'now', $object = NULL)
{
if ($time instanceof \DateTime) {
$time = $time->format(\Datetime::ISO8601);
}
if ($object === NULL) {
parent::__construct($time);
} else {
parent::__construct($time, $object);
}
if ($this->isRelative($time) && !date('w')) {
parent::modify('-1 week');
}
}