On Sat, Mar 10, 2012 at 12:52 AM, Charles <peac...@gmail.com> wrote:
> On Sat, Mar 10, 2012 at 12:07 AM, Tedd Sperling <tedd.sperl...@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.sperl...@gmail.com> 
>>> wrote:
>>>> On Mar 9, 2012, at 5:37 AM, Ford, Mike wrote:
>>>>>> From: Tedd Sperling [mailto:tedd.sperl...@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

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