PHP practiced hand: Calendar (code simple, easy to expand) _php Tutorial

PHP practiced hand: Calendar (code simple, easy to expand)

Time to write a calendar program, only focus on the function and implementation of ideas, so the code and functions are relatively simple, but understanding and extension is easier.

The show () function is used to display the calendar, and you can modify the show () function to display a different date by passing a value.

 '; Echo ''. $year. '-' $month. ''; Echo 'SundayMondayTuesdayWednesdayThursdayFridaySaturday'; The number of days to get the current month $yearMonth = ' $year. '            -". $month";            $monthNum = $this->getmonthnum ($yearMonth); Get the first day of the current month is the days of the week $this->firstday = $year. " -". $month."            -01 ";            $this->firstnum = $this->getweek ($this->firstday);                        $this->firstdaynum = $this->weekarray[$this->firstnum]; Echo ''; for ($i =1; $i <= $monthNum + ($this->firstnum); $i + +) {echo '';                        if ($i >= $this->firstnum+1) {$a = $i-$this->firstnum;                        if ($a = = $day) {echo '. $a. ';                        }else{echo '. $a. '; }} Echo ''; if ($i%7 = = 0) {//Each output 7 columns will be replaced by a line of Echo ''; }} Echo '';    }} $calendar = new calendar (); $calendar->show ();

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Use of the PHP date () function

Here is an explanation of the date () function: http://wenku.baidu.com/link?url=OPDGzaCMWgjDE0ya8QlDbLIXX0c11ohUjsoLyRm-cYp7lz-O_ 7h4xbilv8jfomhbnsxxsw0fhqxybk0_gn8nr77xmwp-_st7v8ayecbnzjg

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