From: [EMAIL PROTECTED]
Operating system: FreeBSD
PHP version: 4.2.3
PHP Bug Type: Date/time related
Bug description: Date "W" switch returns 0 every 5 years
using date and the "W" (shows the week number) switch. Will return the
FIRST week number differantly depending on the year.
date("W", mktime(0,0,0,1,1,2000)); will return 0
date("W", mktime(0,0,0,1,1,2001)); returns 1.
Only differance is the year. Here is a list of years and there first week
vaules, including Leap year.
for ($q=2001; $q<2021; $q++) {
$test1= date("W", mktime(0,0,0,1,1,$q));
$leap1= date("L", mktime(0,0,0,1,1,$q));
echo "Year: $q WeekNum: $test1 LeapYear: $leap1<br>";
}
Year: 2001 WeekNum: 1 LeapYear: 0
Year: 2002 WeekNum: 1 LeapYear: 0
Year: 2003 WeekNum: 1 LeapYear: 0
Year: 2004 WeekNum: 1 LeapYear: 1
Year: 2005 WeekNum: 0 LeapYear: 0
Year: 2006 WeekNum: 0 LeapYear: 0
Year: 2007 WeekNum: 1 LeapYear: 0
Year: 2008 WeekNum: 1 LeapYear: 1
Year: 2009 WeekNum: 1 LeapYear: 0
Year: 2010 WeekNum: 0 LeapYear: 0
Year: 2011 WeekNum: 0 LeapYear: 0
Year: 2012 WeekNum: 0 LeapYear: 1
Year: 2013 WeekNum: 1 LeapYear: 0
Year: 2014 WeekNum: 1 LeapYear: 0
Year: 2015 WeekNum: 1 LeapYear: 0
Year: 2016 WeekNum: 0 LeapYear: 1
Year: 2017 WeekNum: 0 LeapYear: 0
Year: 2018 WeekNum: 1 LeapYear: 0
Year: 2019 WeekNum: 1 LeapYear: 0
Year: 2020 WeekNum: 1 LeapYear: 1
--
Edit bug report at http://bugs.php.net/?id=20594&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=20594&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=20594&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=20594&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=20594&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=20594&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=20594&r=support
Expected behavior: http://bugs.php.net/fix.php?id=20594&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=20594&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=20594&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=20594&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20594&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=20594&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=20594&r=isapi
