示例#1
0
 public static function addDateUnitToTimestamp($timestamp, $units, $unitType, $returnDate = true)
 {
     $d = $timestamp;
     switch ($unitType) {
         case Gpf_Common_DateUtils::DAY:
             if (self::belowMinTimestamp($timestamp + Gpf_DateTime::daysToSeconds($units))) {
                 $time = Gpf_DateTime::MIN_TIMESTAMP;
                 break;
             }
             if (self::overMaxTimestamp($timestamp + Gpf_DateTime::daysToSeconds($units))) {
                 $time = Gpf_DateTime::MAX_TIMESTAMP;
                 break;
             }
             $time = mktime(0, 0, 0, date("m", $d), date("d", $d) + $units, date("Y", $d));
             break;
         case Gpf_Common_DateUtils::WEEK:
             if (self::belowMinTimestamp($timestamp + Gpf_DateTime::weeksToSeconds($units))) {
                 $time = Gpf_DateTime::MIN_TIMESTAMP;
                 break;
             }
             if (self::overMaxTimestamp($timestamp + Gpf_DateTime::weeksToSeconds($units))) {
                 $time = Gpf_DateTime::MAX_TIMESTAMP;
                 break;
             }
             $time = mktime(0, 0, 0, date("m", $d), date("d", $d) + 7 * $units, date("Y", $d));
             break;
         case Gpf_Common_DateUtils::MONTH:
             if (self::belowMinTimestamp($timestamp + Gpf_DateTime::monthsToSeconds($units))) {
                 $time = Gpf_DateTime::MIN_TIMESTAMP;
                 break;
             }
             if (self::overMaxTimestamp($timestamp + Gpf_DateTime::monthsToSeconds($units))) {
                 $time = Gpf_DateTime::MAX_TIMESTAMP;
                 break;
             }
             $month = date("m", $d) + $units;
             $day = self::daysInMonth($month, date("d", $d), date("Y", $d));
             $time = mktime(0, 0, 0, $month, $day, date("Y", $d));
             break;
         case Gpf_Common_DateUtils::YEAR:
             if (self::belowMinTimestamp($timestamp + Gpf_DateTime::yearsToSeconds($units))) {
                 $time = Gpf_DateTime::MIN_TIMESTAMP;
                 break;
             }
             if (self::overMaxTimestamp($timestamp + Gpf_DateTime::yearsToSeconds($units))) {
                 $time = Gpf_DateTime::MAX_TIMESTAMP;
                 break;
             }
             $time = mktime(0, 0, 0, date("m", $d), date("d", $d), date("Y", $d) + $units);
             break;
     }
     if ($returnDate) {
         return Gpf_Common_DateUtils::getDate($time);
     }
     return Gpf_Common_DateUtils::getDateTime($time);
 }