PHP5中文手册·Date/time support -- 追寻梦想＞编程乐园＞PHP 编程

Date/time support

Date/time support has been fully rewritten in PHP 5.1.x, and no longer uses the system settings to 'know' the timezone in operation. It will instead utilize, in the following order:

The timezone set using the date_default_timezone_set() function (if any)
The TZ environment variable (if non empty)
"magical" guess (if the operating system supports it)
If none of the above options succeeds, UTC

To ensure accuracy (and avoid an E_STRICT warning), you will need to define your timezone in your php.ini using the following format:

date.timezone = Europe/London

The supported timezones are listed, in this format, in the timezones appendix.

Also note that strtotime() now returns FALSE on failure, instead of -1.


	PHP5中文手册 Extensions Changes in database support Migrating from PHP 5.0.x to PHP 5.1.x PHP Manual Date/time support Date/time support has been fully rewritten in PHP 5.1.x, and no longer uses the system settings to 'know' the timezone in operation. It will instead utilize, in the following order: The timezone set using the date_default_timezone_set() function (if any) The TZ environment variable (if non empty) "magical" guess (if the operating system supports it) If none of the above options succeeds, UTC To ensure accuracy (and avoid an `E_STRICT` warning), you will need to define your timezone in your `php.ini` using the following format: date.timezone = Europe/London The supported timezones are listed, in this format, in the timezones appendix. Also note that strtotime() now returns `FALSE` on failure, instead of -1. Extensions Changes in database support Migrating from PHP 5.0.x to PHP 5.1.x PHP Manual