method 1:
(The best way) plus items found date.timezone in php.ini, set date.timezone = "Asia / Shanghai", restart the environment ok.
Method 2:
When we need to use these function of time, in this page date_default_timezone_set ( "PRC");
Method 3:
When setting area header plus ini_set ( 'date.timezone', 'Asia / Shanghai');
Summary, a method, and the method was more effective three generally have server permissions, while Tier 2 technician can control the current page, and also commonly used method of programmers.
Transfer: https://blog.csdn.net/jingtsy/article/details/80100642