PHP默许时区设置
PHP默认时区设置
function.strtotime]: 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 'UTC' for '8.0/no DST' instead
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由于PHP所取的时间是格林威治标准时间，与当地的时间会有出入.格林威治标准时间和北京时间大概差8个小时左右，解决方法：
1.在应用文件的头部添加date_default_timezone_set()设置默认时区为北京时间，即：
date_default_timezone_set("PRC");2.还有一个方法就是更改php.ini文件的date.timezone，设置为：date.timezone=PRC。
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