| protected modifyFromInterval ( DateInterval $interval, boolean $invert = false ) : ExpressiveDate | ||
| $interval | DateInterval | |
| $invert | boolean | |
| return | ExpressiveDate | |
protected function modifyFromInterval($interval, $invert = false)
{
if ($invert) {
$this->sub($interval);
} else {
$this->add($interval);
}
return $this;
}