Modify by an amount of Years.
protected modifyYears ( integer $amount, boolean $invert = false ) : ExpressiveDate | ||
$amount | integer | |
$invert | boolean | |
return | ExpressiveDate |
protected modifyYears ( integer $amount, boolean $invert = false ) : ExpressiveDate | ||
$amount | integer | |
$invert | boolean | |
return | ExpressiveDate |