#34304 [NEW]: Date('w') do not return correct number for sunday

From: sandved at gmail dot com Operating system: All PHP version: 5.0.4 PHP Bug Type: Date/time related Bug description: Date('w') do not return correct number for sunday Description: ------------ The Date function have a day of the week parameter 'w' This parameter should return 7 for sundays, not 0 to be ISO 8601 compilant Why http://se.php.net/date : > w Numeric representation of the day of the week > 0 (for Sunday) through 6 (for Saturday) This week parameter do not return leading zeros when used like Date('o\WWw'), Date('o\-\WW\-w') According to ISO 8601 monday is the first day of the week and sunday the last, numbereded 1 to 7 (Section 5.2.3 Week date states In expressions of week dates - day of the week is represented by one decimal digit. Monday shall be identified as day [1] of any calendar week, and subsequent days of the same week shall be numbered in ascending sequence to Sunday (day [7]).) like: Date - Week (extended format YYYY-Www-D) ---------- - ---------- 1997-12-29 - 1998-W01-1 1998-01-04 - 1998-W01-7 1998-01-01 - 1998-W01-4 1998-12-31 - 1998-W53-4 1992-01-01 - 1992-W01-3 1992-02-29 - 1992-W09-6 1992-12-31 - 1992-W53-4 1975-01-01 - 1975-W01-3 1975-12-28 - 1975-W52-7 1975-12-29 - 1976-W01-1 Sources Here's a copy of the latest free online copy http://www.pvv.org/~nsaa/8601v2000.pdf, only minor changes in the text in the latest version from ISO - also see http://en.wikipedia.org/wiki/ISO_8601. Reproduce code: --------------- Echo Date('o\-\WW\-w', strtotime('2 January 2005')) Date('o\-\WW\-w', strtotime('9 January 2005')); Expected result: ---------------- 2004-W53-7 2005-W01-7 Actual result: -------------- 2004-W53-0 2005-W1-0 (leading zeros in week fixed in bug report http://bugs.php.net/?id=34302) -- Edit bug report at http://bugs.php.net/?id=34304&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=34304&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=34304&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=34304&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=34304&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=34304&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=34304&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=34304&r=needscript Try newer version: http://bugs.php.net/fix.php?id=34304&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=34304&r=support Expected behavior: http://bugs.php.net/fix.php?id=34304&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=34304&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=34304&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=34304&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=34304&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=34304&r=dst IIS Stability: http://bugs.php.net/fix.php?id=34304&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=34304&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=34304&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=34304&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=34304&r=mysqlcfg