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PHP small calendar class library

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PHP small calendar class library

<?php
// file:calendar.class.php 日歷類原文件
error_reporting(0);
class Calendar{
  private $year;
  private $month;
  private $start_weekday; //當(dāng)月的第一天對應(yīng)的是周幾，作為當(dāng)月開始遍歷日期的開始
  private $days; //當(dāng)前月總天數(shù)
//構(gòu)造方法，用來初使化一些日期屬性
  function __construct(){
//如果用戶沒有設(shè)置所份數(shù)，則使用當(dāng)前系統(tǒng)時間的年份
    $this->year = isset($_GET["year"]) ? $_GET["year"] : date("Y");
//如果用戶沒有設(shè)置月份數(shù)，則使用當(dāng)前系統(tǒng)時間的月份
    $this->month = isset($_GET["month"]) ? $_GET["month"] : date("m");
//通過具體的年份和月份，利用date()函數(shù)的w參數(shù)獲取當(dāng)月第一天對應(yīng)的是周幾
    $this->start_weekday = date("w",mktime(0,0,0,$this->month,1,$this->year));
//通過具體的年份和月份，利用date()函數(shù)的t參數(shù)獲取當(dāng)月的天數(shù)
    $this->days = date("t",mktime(0,0,0,$this->month,1,$this->year));
  }

Calendar is a daily-use publication used to record dates and other related information. One that displays information for one day on each page is called a calendar, one that displays information for one month on each page is called a monthly calendar, and one that displays information for a whole year on each page is called an annual calendar. There are many forms, such as wall calendars, desk calendars, annual calendar cards, etc., and now there are electronic calendars.

China first had a calendar about four thousand years ago. According to a page of the oracle bone calendar in the oracle bone inscriptions, it is proved that the calendar of the Yin Dynasty has reached a considerable level. This page of the oracle bone calendar is the oldest physical almanac in all mankind. This page of the oracle bone calendar is also called a calendar.

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