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Bug #22549 Date/Calc.php, beginOfWeek() fails, easier implementations
Submitted: 2003-03-05 07:35 UTC Modified: 2003-05-25 14:47 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:0 (0.0%)
From: andreas dot kossmeier at bergfex dot at Assigned: pajoye (profile)
Status: Closed Package: PEAR related
PHP Version: 4.3.1 OS: Debian Linux
Private report: No CVE-ID: None
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 [2003-03-05 07:35 UTC] andreas dot kossmeier at bergfex dot at 
Date/Calc.php

this bug report describes various bugs and issues for calculating begin and end of week (including implementation of beginOfNextWeek and beginOfPreviousWeek)

- endOfWeek()
fails, if date *is* end of the week

- beginOfWeek()
much easier implementation (1 vs. 11 lines of code)

- beginOfNextWeek(), beginOfPreviousWeek()
failing, if date is end of the week

both functions use their own implementation for getting the beginning of a week, but *should* use Date_Calc::beginOfWeek()

A diff (including fix for Bug #22548) to CVS Version 1.9 is available at http://bergfex.at/php/pear/Calc.php.diff.txt

Andreas Kossmeier

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 [2003-03-31 09:31 UTC] andreas dot kossmeier at bergfex dot at 
errors only occure if DATE_CALC_BEGIN_WEEKDAY is 0 (default: 1):

20030317 Monday:
endOfWeek()       CVS: 20030323 fixed: 20030323
beginOfWeek()     CVS: 20030317 fixed: 20030317
beginOfNextWeek() CVS: 20030324 fixed: 20030324
beginOfPrevWeek() CVS: 20030310 fixed: 20030310

20030320 Thursday:
endOfWeek()       CVS: 20030323 fixed: 20030323
beginOfWeek()     CVS: 20030317 fixed: 20030317
beginOfNextWeek() CVS: 20030324 fixed: 20030324
beginOfPrevWeek() CVS: 20030310 fixed: 20030310

20030323 Sunday:
endOfWeek()       CVS: 20030330 fixed: 20030323
beginOfWeek()     CVS: 20030317 fixed: 20030317
beginOfNextWeek() CVS: 20030331 fixed: 20030324
beginOfPrevWeek() CVS: 20030317 fixed: 20030310
 [2003-03-31 09:33 UTC] andreas dot kossmeier at bergfex dot at 
correction:
errors only occure if DATE_CALC_BEGIN_WEEKDAY is 1 (default)
 [2003-04-27 15:51 UTC] lsmith@php.net 
ok I have just confirmed the bugs and that the diff seems to work. However because this date handling is constantly confusing me I rather put up my test script for now.

http://www.backendmedia.com/Date/Calc_new.phps
http://www.backendmedia.com/Date/dayofweek_test.phps
 [2003-04-28 04:05 UTC] arnaud@php.net 
IIRC pierre like Date :)
 [2003-05-25 14:47 UTC] pajoye@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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