Date_Calc is a PHP class used to calculate and manipulate calendar dates and retrieve dates in a calendar format. It does not rely on 32-bit system date stamps, so you can display calendars and compare dates that date pre 1970 and post 2038.
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begin_weekday 상수 있도록 클래스를 정적으로 (이것은 이전 버전과) 귀하의 스크립트와의 호환성을 부셔버 릴지도 몰라, 그리고 4 개의 새로운 funtions의 모든 예제에서 클래스의 정적 메서드를 사용하여 사용될 수있습니다 (nextDayOfWeek, prevDayOfWeek, extDayOfWeekOnOrAfter, $ 변경 및 nextDayOfWeekOnOrBefore) .
Changing $begin_weekday to a constant so the class can be used statically (this may break backward compatability with your scripts), use of the static method of the class in all examples, and four new funtions (nextDayOfWeek, prevDayOfWeek, extDayOfWeekOnOrAfter, and nextDayOfWeekOnOrBefore).