Modify by an amount of days.
protected modifyDays ( integer $amount, boolean $invert = false ) : ExpressiveDate | ||
$amount | integer | |
$invert | boolean | |
리턴 | ExpressiveDate |
protected modifyDays ( integer $amount, boolean $invert = false ) : ExpressiveDate | ||
$amount | integer | |
$invert | boolean | |
리턴 | ExpressiveDate |