| protected modifySeconds ( integer $amount, boolean $invert = false ) : ExpressiveDate | ||
| $amount | integer | |
| $invert | boolean | |
| return | ExpressiveDate | |
protected function modifySeconds($amount, $invert = false)
{
$interval = new DateInterval("PT{$amount}S");
$this->modifyFromInterval($interval, $invert);
return $this;
}