Hi Vlad,
Thank you for taking the time to help me.
The code:
$prev_month = date('F Y', mktime(0, 0, 0, 0, date('m') - 6, date('Y')));
$next_month = date('F Y', mktime(0, 0, 0, 0, date('m') + 6, date('Y')));
echo "$prev_month <br /> \n";
echo "$next_month <br /> \n";
Generates:
November 2006
December 2006
The $prev_month value seems correct,
but the $next_month value should be:
December 2008
Do you see my mistake?
Keith
----- Original Message -----
From: "Vlad Vlasceanu" <vvvlad@xxxxxxxxxxxxx>
To: <php-general@xxxxxxxxxxxxx>
Sent: Sunday, June 17, 2007 12:13 AM
Subject: Re: Previous and Next Month and Year
time() returns a unix timestamp of the current moment in time (now), so
in effect you are adding or subtracting 6 seconds to that.
calling:
date('m/d/Y', time());
is the same as calling:
date('m/d/Y');
On the other hand:
mktime(hour, minute, second, month, day, year) generates a timestamp
such that:
mktime(0, 0, 0, date('d'), date('m') + 6, date('Y'));
would generate a date timestamp 6 months in the future.
or
mktime(0, 0, 0, 0, date('m'), date('Y'));
would generate last day from last month this year.
Word of wisdom: don't rely solely on timestamp calculations e.g. now +
24 hours and so on, because you may need to take into account daylight
savings times and such otherwise your calculations may be off.
Vlad
Keith Spiller wrote:
Hi,
RE: Previous and Next Month and Year
This is my code:
$next_month = date('F Y', time()+$month);
$prev_month = date('F Y', time()-$month);
echo "$prev_month <br /> \n"; #Result "June 2007"
echo "$next_month <br /> \n"; #Result "June 2007"
What I am trying to do is get the month and year
based upon a + or - $month value.
The variable $month being "6" for the month of June of
the present year of 2007.
For example ($month -7) would be December 2006,
and ($month +7) would be January 2006.
Please help... Thank you.
Keith
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