/**
* Calculates the difference between dates.
*
* @param DateTime $base The base date.
* @param DateTime $datetime The date to compare to. Default is null and this means that
* the base date will be compared to the current time.
*
* @param integer $detailLevel The level of detail to retrieve.
*
* @return array
*
* @since 2.0.0
*/
private function calc(DateTime $base, DateTime $datetime = null, $detailLevel = 1)
{
$this->translator = $base->getTranslator();
$datetime = is_null($datetime) ? DateTime::now() : $datetime;
$detailLevel = intval($detailLevel);
$diff = $this->diffInUnits($base->diff($datetime, true), $detailLevel);
$item = 'just_now';
if (!$this->isNow($diff)) {
$item = $base->isAfter($datetime) ? 'in' : 'ago';
}
return array($item, $diff);
}
