From: [EMAIL PROTECTED]
Operating system: freebsd 4.2
PHP version: 4.0.4pl1
PHP Bug Type: Date/time related
Bug description: mktime() calculation error - 25 hours in a day
using mktime() one day per year has 25 hours in it
if you substract one date from the previous day and divide
by 3600 you should find there are 24 hours in that day.
however, one day per year has 25 hours.
so far i have found one day per year.
and a different day every year.
10/29/2000 25 hours
10/28/2001 25 hours
10/27/2002 25 hours
to reproduce the problem:
(mktime(0,0,0,10,30,2000)-mktime(0,0,0,10,29,2000))/3600
(mktime(0,0,0,10,29,2001)-mktime(0,0,0,10,28,2001))/3600
(mktime(0,0,0,10,28,2002)-mktime(0,0,0,10,27,2002))/3600
i found the problem because i was creating date ranges for
the user and putting them into a database. if i add the
number of days in a month to a date, i should then have the
same numeric date in the new month. for instance convert
08/10/2001:
$new_day = mktime(0,0,0,8,10,2001) + ( 31 * 86400 )
( 31 number of days in august )
( 86400 seconds in a day )
convert back to date date("Y-m-d", $new_day )
should and does = 09/10/2001
i have now tried this on two different servers.
one - PII 350 freebsd 4.2, apache 1.3.17, php 4.0.4pl1
two - PIII 667 freebsd 4.2, apache 1.3.17, php 4.0.4pl1
both return the same problem
thanks for any insight
James Lose 03/26/2001
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Edit Bug report at: http://bugs.php.net/?id=9998&edit=1
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