Re: Function mktime() documentation question

On Sat, Mar 10, 2012 at 12:52 AM, Charles <peacech@gmail.com> wrote: > On Sat, Mar 10, 2012 at 12:07 AM, Tedd Sperling <tedd.sperling@gmail.com> wrote: >> On Mar 9, 2012, at 11:17 AM, Charles wrote: >> >>> On Fri, Mar 9, 2012 at 10:58 PM, Tedd Sperling <tedd.sperling@gmail.com> wrote: >>>> On Mar 9, 2012, at 5:37 AM, Ford, Mike wrote: >>>>>> From: Tedd Sperling [mailto:tedd.sperling@gmail.com] >>>>>> But why does anyone have to use the next month to figure out how >>>>>> many days there are are in this month? Do you see my point? >>>>> >>>>> Actually, no. To figure this out, somewhere along the line you've >>>>> got to know where the last day of this month / first day of next >>>>> month boundary lies, so I don't see how you can ever find the number >>>>> of days in a month without bringing the start of next month into it >>>>> somehow. (Even if it's implicitly be getting someone else's clever >>>>> code to figure out 'last day of this month'!) >>>> >>>> Well no, I don't need to know the first day of next month to know the last day >>>> of this month. That's like saying "I need to know who is going to stand at the 'end >>>> of the line' NEXT before I can tell who is standing at the 'end of the' line >>>> NOW." >>> >>> The number of days in each month is fixed, except for february. If >>> that's what you want, why don't make a table of the number of days in >>> each month, and check for the special case of leap year. >> >> No offense, but that's not the point. A look-up table would work, but why when there >> are all sorts of built-in functions that will? > > You just said yourself that "I don't need to know the first day of > next month to know the last day of this month", and AFAIK there is no > such function in PHP to get the number of days > without accessing the last second in the month. Besides, showing how > it is done is part of education. Unless, of course you install the "calendar" extension, of which it will provides just the required function http://php.net/manual/en/function.cal-days-in-month.php