PHP Warning: date() [function.date]: It is not safe to rely on the system's timezone

今天装php程序时遇到一个错误：

Warning: phpinfo() [function.phpinfo]: 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 'Asia/Chongqing' for 'CST/8.0/no DST' instead in /var/www/html/index.php on line 3

查了一下，是php的时区问题

打开/etc/php.ini查找date.timezone 去掉前面的分号修改成为：date.timezone =PRC。重启apache就可以了。  

我们国内来说：RPC可以替换为：Asia/Chongqing ，Asia/Shanghai ，Asia/Urumqi （依次为重庆，上海，乌鲁木齐）港台地区可用：Asia/Macao ，Asia/Hong_Kong ，Asia/Taipei （依次为澳门，香港，台北），还有新加坡：Asia/Singapore，当然PRC也行

参考文章

http://blog.csdn.net/zhuying_linux/article/details/6203949