Re: Function mktime() documentation question

On 10 March 2012 19:06, Matijn Woudt <tijnema@gmail.com> wrote: > 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 > Ehr, sorry, yes, you're right; well spotted! :) - Tul