مشکل در سایت پس از اپدیت ورژن پی اچ پی

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Warning: strtotime() [function.strtotime]:

 It is not safe to rely on the system's timezone settings. You are *required* to

 use the date.timezone setting 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 'Europe/Berlin' for

 'CET/1.0/no DST' instead in /home/anthropo/public_html/libraries/joomla/utilities/date.php

 on line 56







Warning: date() [function.date]: It is not

 safe to rely on the system's timezone settings. You are *required* to use the

 date.timezone setting 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 'Europe/Berlin' for

 'CET/1.0/no DST' instead in /home/anthropo/public_html/libraries/joomla/utilities/date.php

 on line 198







Warning: mktime() [function.mktime]: It is

 not safe to rely on the system's timezone settings. You are *required* to use

 the date.timezone setting 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 'Europe/Berlin' for

 'CET/1.0/no DST' instead in /home/anthropo/public_html/libraries/joomla/utilities/date.php

 on line 117