php 날짜 계산 현재날짜

//         $sCurrentYear = date("Y", mktime(0,0,0,date("m"), date("d"), date("Y")));

//         $sCurrentMonth = date("m", mktime(0,0,0,date("m"), date("d"), date("Y")));

//         $sCurrentDay = date("d", mktime(0,0,0,date("m"), date("d"), date("Y")));

//         $sCurrentDate = $sCurrentYear . '-' . $sCurrentMonth . '-' . $sCurrentDay;

        $sCurrentDate = date('Y-m-d');

        var_dump($sCurrentDate); exit;

       //delete 조건 날짜

        $sSevenDayAgo = date('Y-m-d', strtotime('-7 days'));

        var_dump($sSevenDayAgo); exit;

http://stackoverflow.com/questions/10798228/php-date-function-seven-days-previous

http://ra2kstar.tistory.com/126

현재 날짜 시간 

     $sCurrentDate = date('Y-m-d-h-i-s');

        $sCurrentDate = date('Y-m-d H:i:s');