/**
* Set the span from the elapsed time between two dates.
*
* Set the span from the elapsed time between two dates. The time span
* is allways positive, so the date's order is not important.
*
* @param
* object Date $date1 First Date.
* @param
* object Date $date2 Second Date.
*
* @return bool True on success.
*
* @access public
*/
function setFromDateDiff($date1, $date2)
{
if (!is_a($date1, 'date') or !is_a($date2, 'date')) {
return false;
}
$date1->toUTC();
$date2->toUTC();
if ($date1->after($date2)) {
list($date1, $date2) = array($date2, $date1);
}
$days = Calc::dateDiff($date1->getDay(), $date1->getMonth(), $date1->getYear(), $date2->getDay(), $date2->getMonth(), $date2->getYear());
$hours = $date2->getHour() - $date1->getHour();
$mins = $date2->getMinute() - $date1->getMinute();
$secs = $date2->getSecond() - $date1->getSecond();
$this->setFromSeconds($days * 86400 + $hours * 3600 + $mins * 60 + $secs);
return true;
}
