From:             sagawa at sohgoh dot net
Operating system: CYGWIN_NT-5.1 1.5.7
PHP version:      4.3.5RC2
PHP Bug Type:     Date/time related
Bug description:  call tzset(3) beginning of PHP exection

Description:
------------
php_localtime_r(almost localtime_r(3)) does not call tzset(3) in some libc
(eg. Cygwin, NetBSD).
Thus we need call tzset(3) before calling php_localtime_r.
http://bugs.php.net/bug.php?id=4732

If we set TZ env. via putenv PHP function, tzset(3) is  called internally.
But lack of calling tzset(3) before PHP  script execution, and some
functions. Therefore I get incorect result from php_localtime_r.

php_localtime_r is used in these files.
ext/calendar/cal_unix.c
ext/calendar/easter.c
ext/dbase/dbf_misc.c
ext/standard/datetime.c
ext/standard/info.c
main/main.c


Reproduce code:
---------------
% cat tztest.php
<?php
/* date() is just example, shows incorrectly */
echo date("r (T)"),"\n";
/* works fine.. because putenv("TZ=JST-9") calls tzset */
putenv("TZ=JST-9");
echo date("r (T)"),"\n";
?>
% TZ="JST-9" php -q tztest.php


Expected result:
----------------
Sat,  7 Feb 2004 20:18:15 +0900 (JST)
Sat,  7 Feb 2004 20:18:15 +0900 (JST)

Actual result:
--------------
Sat,  7 Feb 2004 11:18:15 +0000 ()
Sat,  7 Feb 2004 20:18:15 +0900 (JST)


-- 
Edit bug report at http://bugs.php.net/?id=27175&edit=1
-- 
Try a CVS snapshot (php4):  http://bugs.php.net/fix.php?id=27175&r=trysnapshot4
Try a CVS snapshot (php5):  http://bugs.php.net/fix.php?id=27175&r=trysnapshot5
Fixed in CVS:               http://bugs.php.net/fix.php?id=27175&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=27175&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=27175&r=needtrace
Need Reproduce Script:      http://bugs.php.net/fix.php?id=27175&r=needscript
Try newer version:          http://bugs.php.net/fix.php?id=27175&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=27175&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=27175&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=27175&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=27175&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=27175&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27175&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=27175&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=27175&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=27175&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=27175&r=float

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