public static function modifyNow($interval, $format = self::DEFAULT_TIME_FORMAT)
    {
        return Clock::now()->toDateTime()->modify($interval)->format($format);
    }
public static function modifyNow($interval, $format = self::DEFAULT_TIME_FORMAT)
    {
        return Clock::now()->toDateTime()->modify($interval)->format($format);
    }
public static function modifyNow ( $ interval , $ format = self :: DEFAULT_TIME_FORMAT ) { return Clock :: now ( ) -> toDateTime ( ) -> modify ( $ interval ) -> format ( $ format ) ; }
Modifies the current time and returns a formatted date.

@link http://php.net/manual/en/datetime.formats.php

@param string $interval
@param string $format
@return string
Modifies the current time and returns a formatted date .