摘要： 在用PHP5.3以上的PHP版本时，只要是涉及时间的会报一个"PHP 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, 阅读全文