get the number of days from a month

Anon

'lo

I'm stuck here, hope someone of you can give me a hand.

From a form I get 2 Vars passed, $month and $year, $month being between 01..12 and $year between 1999..2010

now to scale my statistic correctly, I need to find out how many days this month has in this year. I've checked the manual for the date function, but I don't think that it's solvable with it.

anyone who could help me? thanks in advance

-sweeper

Anon

i am not aware of any method to use, for getting the number of days for the given month. may be you can play around with kmtime() and come out with something.

but just from top of my head, a very easy and bit tacky solution is to use CASE statement, e.g.

switch($month) {
case 01 : { $days = 31; } break;
case 02 : { $days = 28; } break;
.
.
default : { }
}

above for febraury you can use the mktime() and date() to calculate if the given year is leap or not..

Daarius ...

Anon

Sure it is, do the following:

$num_of_days = date("t", mktime(0,0,0,$month,1,$year));

Done, and done. Picks up leap years for february and the works. Hope that helps 🙂

Chris King

Anon

If I remember right, with mktime(...), if you put in "0" as the date, it will return
the last date of the previous month, so:

$timestamp = mktime(0,0,0,$month+1,0,$year);
$numDays = date("d");

...have fun...

Anon

correction: $numDays = date("m",$timestamp);

Anon

Actually, if you read this page:

http://www.php.net/manual/function.date.php

You will see that "m" will return the month, ie 01 to 12. "t" will return the number of days in a given month, so that is probably the best option to go with for the number of days in a month.

Chris King

Anon

thanksalot for your replies!

now I'm finally almost done with my statistic thingie 🙂

in the end, I've done it the following way:

$lastday = mktime(0,0,0,($month+1),0,$year);
$retval = strftime ('%d', $lastday);
return $retval

gtx
-swp
another happier php coder 😉