PHP document http://php.adamharvey.name/manual/kr/function.date.php PHP: date - Manual Most spreadsheet programs have a rather nice little built-in function called NETWORKDAYS to calculate the number of business days (i.e. Monday-Friday, excluding holidays) between any two given dates. I couldn't find a simple way to do that in PHP, so I thr php.adamharvey.name 다음주 월요일 날짜구하기 나는 주말에는 2주뒤 월요일 , 주중..