Providing Forward and Backward Navigation

You can allow the user to move backwards and forwards a month at a time in Month View, or a year at a time in Year View.

This is done be creating a new class which extends the Calendar class. This new class should define the function getCalendarLink:

getCalendarLink($month, $year)
Return the URL to link to in order to display a calendar for a given month/year. You must override this method if you want to activate the "forward" and "back" feature of the calendar.
Note: If you return an empty string from this function, no navigation link will be displayed. This is the default behaviour.
If the calendar is being displayed in "year" view, $month will be set to zero.
class MyCalendar extends Calendar { function getCalendarLink($month, $year) { // Redisplay the current page, but with some parameters // to set the new month and year $s = getenv('SCRIPT_NAME'); return "$s?month=$month&year=$year"; } }
You can then display the calendar as follows:
<? // If no month/year set, use current month/year $d = getdate(time()); if ($month == "") { $month = $d["mon"]; } if ($year == "") { $year = $d["year"]; } $cal = new MyCalendar; echo $cal->getMonthView($month, $year); ?>

Which looks like this:

<< January 2018 >>
S M T W T F S
  1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31      

 

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