Re: Function mktime() documentation question

On Sat, Mar 10, 2012 at 6:20 PM, Maciek Sokolewicz <maciek.sokolewicz@gmail.com> wrote: > On 09-03-2012 14:11, Daniel Brown wrote: >> >>     (To the list, as well.  First day with my new fingers, apparently....) >> >> On Fri, Mar 9, 2012 at 08:09, Daniel Brown<danbrown@php.net>  wrote: >>> >>> On Thu, Mar 8, 2012 at 21:23, Tedd Sperling<tedd.sperling@gmail.com> >>>  wrote: >>> >>>    This starts getting a bit off-topic from your original email, but >>> knowing that you're trying to use it for teaching your classes at the >>> college, it may be of some value to you. >>> >>>>> All of this aside, though, you may instead want to use something along >>>>> the lines of date('d',strtotime('last day of this month')); >>>>> in tandem with >>>>> your date formatting. >>>> >>>> >>>> That's a good idea, but >>>> >>>>> date('d',strtotime('last day of this month')); >>>> >>>> >>>> gives me the number of days in *this* month, but not the next, or >>>> previous, month. >>>> >>>> I need the result to be whatever date was selected -- something like: >>>> >>>> $number_days = date('d',strtotime('last day of April, 2014')); >>>> >>>> But that doesn't work. >>> >>> >>>    Sure it does, though you may have some issues when using >>> punctuation, unnecessary words, or using capital letters for anything >>> other than proper names.  What version of PHP are you using?  I get >>> the correct answers for all of the following phrases: >>> >>>        "last day of April 2014" >>>        "last day of this month" >>>        "last day of next month" >>>        "last day of last month" >>>        "third Saturday March 2012" >>> >>>    Or you can even be excruciatingly redundant: >>> >>>        echo date('d',strtotime('last day of this >>> month',strtotime('next month'))); >>>        echo date('d',strtotime('last day of this >>> month',strtotime('February 2018'))); >>>        echo date('d',strtotime('second >>> Monday',strtotime('September >>> 2012'))); >>> >> >> >> > > I must admit I'm still at a loss why people would want a function to tell > them the amount of days in a month. That amount is pretty much fixed (except > for february, but that's also mathematically easy to fix). So a simple > function like: > function getAmountOfDaysInAMonth($month, $year) { >   $days = array(31, (($year%4==0 and ($year%100 > 0 or $year%400==0)) ? 29 : > 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); >   return $days[$month+1]; > } Shouldn't this be $month-1? - Matijn