If you want to traverse days between 2 dates, just use DateTime and
DateInterval classess.
$d1 = new DateTime('2016-10-30');
$d1->add(new DateInterval('PD1'));
$d1 should point to next day now.
On Tue, Oct 25, 2016 at 4:10 PM, Cliff Nieuwenhuis <
c.nieuwenhuis@xxxxxxxxxxxxxx> wrote:
> This is a stripped-down version of a calendar program. Can anyone explain
> why November 6 2016 appears twice? Or 2015-11-01?
>
> I'm assuming the fault lies with
>
> $calday = $calday + (60 * 60 * 24);
>
> ...but I'd like to know why some days apparently have less than 86400
> seconds and how (efficiently) to work around that.
>
> Here is my code:
>
> $calday = strtotime('2016-10-30');
> $finish = strtotime('2016-12-01');
>
> while ( $calday < $finish ) {
> for ($dow = 0; $dow < 7; $dow++) {
>
> // set the year, month, and day
> $year = (int) date('Y', $calday);
> $month = (int) date('n', $calday);
> $day = (int) date('j', $calday);
>
> echo "Year: $year, Month: $month, Day: $day, Day
> of Week: $dow <br />\n";
>
> // move on to the next day
> $calday = $calday + (60 * 60 * 24);
> }
> echo "* * *<br />\n";
> }
>
> Thanks in advance for any help.
>
> --
> Clifford R. Nieuwenhuis
> IT Manager
> Architectural Design Consultants, Inc.
> c.nieuwenhuis@xxxxxxxxxxxxxx
> 608-254-6181
>
>
> --
>
> Clifford R. Nieuwenhuis
> IT Manager
> Architectural Design Consultants, Inc.
> c.nieuwenhuis@xxxxxxxxxxxxxx
> 608-254-6181
>
> Visit our redesigned website:
> www.adcidesign.com
>
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