Update to vbulletin v4.2.2

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Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 4912

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 5104

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 5104

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 5104

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Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 4912

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CDT/-5.0/DST' instead in ..../includes/functions.php on line 5104


Here let me teach you how to do:

Method A: I add in config php this line and all ok now

date_default_timezone_set ('America/Los_Angeles');

or
Method B:
This is a server configuration issue and should be set at the server level in the php.ini file. However you can override the issue by setting a locale in your config.php file.

You would use something like:

date_default_timezone_set ('America/Los_Angeles');

You can find all timezones here: http://www.php.net/manual/en/timezones.php

Really should be set in the php.ini file in this section of code:

[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = "America/Los_Angeles"