On Sun, March 23, 2008 11:17 pm, Ron Piggott wrote: > I have this math equation this list helped me generate a few weeks > ago. > The purpose is to calculate how many days have passed between 2 dates. > > Right now my output ($difference) is 93.9583333333 days. > > I am finding this a little weird. Does anyone see anything wrong with > the way this is calculated: > > $date1 = strtotime($date1); (March 21st 2008) > $date2 = strtotime($date2); (December 18th 2007) > > echo $date1 => 1206072000 > echo $date2 => 1197954000 > > #86400 is 60 seconds x 60 minutes x 24 hours (in other words 1 days > worth of seconds) > > $factor = 86400; > > $difference = (($date1 - $date2) / $factor);
float division introduces rounding errors, by the nature of a floating point representation in a finite number of bits. Use http://php.net/round and http://php.net/int -- Some people have a "gift" link here. Know what I want? I want you to buy a CD from some indie artist. http://cdbaby.com/from/lynch Yeah, I get a buck. So? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
