On Sun, 23 Nov 2003 10:49:58 -0800 (PST), you wrote:
>That works, but it's a little unweildy.. especially if you want to change
>the range later (changing the array may not be so bad, but then you've
>got to figure out how many iterations your loops must do, etc).
>
>How about something like this:
>
>$hstart = 7; $hend = 19; $interval = 15;
>
>for($h=$hstart; $h < $hend; $h++) {
> for($m=0; $m < 60; $m += $interval) {
> echo sprintf("%d:%02d",$h,$m); } }
>
>Used sprintf in order to make 0 minutes display as 00. This would be a
>great candidate for something to make into a function...
Couple of suggestions on top:
replace "echo sprintf" with a simple "printf".
the above won't work across midnight, and returns time values in only one
format ("hh:mm").
If I was going to bother to use a function here, I'd work with unix
timestamps and strftime() (http://www.php.net/strftime) so my function would
return values in pretty much any format, and at 1 second resolution. Eg:
<?
$now = time();
print_r (time_array ($now - 14400, $now, 15*60, '%H%M'));
print_r (time_array ($now - 14400, $now, 15*60, '%I:%M %p'));
function time_array ($start, $end, $interval, $format)
{
$output = array();
while ($start < $end)
{
$output [] = strftime ($format, $start);
$start = $start + $interval;
}
return ($output);
}
?>
Anyone want to suggest some more embellishments? The ability to return
blocks of time, maybe: "12:45 - 13:00", "13:00 - 13:15", etc.
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
