These functions allow you to get the date and time from the server where your PHP scripts are running. You can use these functions to format the date and time in many different ways.
Note: Please keep in mind that these functions are dependent on the locale settings of your server. Make sure to take daylight saving time (use e.g. $date = strtotime('+7 days', $date) and not $date += 7*24*60*60) and leap years into consideration when working with these functions.
No external libraries are needed to build this extension.
There is no installation needed to use these functions; they are part of the PHP core.
This extension has no configuration directives defined in php.ini.
The behaviour of these functions is affected by settings in php.ini.
Table 1. Date/Time Configuration Options
|date.default_latitude||"31.7667"||PHP_INI_ALL||Available since PHP 5.0.0.|
|date.default_longitude||"35.2333"||PHP_INI_ALL||Available since PHP 5.0.0.|
|date.sunrise_zenith||"90.83"||PHP_INI_ALL||Available since PHP 5.0.0.|
|date.sunset_zenith||"90.83"||PHP_INI_ALL||Available since PHP 5.0.0.|
|date.timezone||""||PHP_INI_ALL||Available since PHP 5.1.0.|
Here's a short explanation of the configuration directives.
The default latitude.
The default longitude.
The default sunrise zenith.
The default sunset zenith.
The default timezone used by all date/time functions if the TZ environment variable isn't set. The precedence order is described in the date_default_timezone_get() page.
This extension has no resource types defined.
The following constants are defined since PHP 5.1.0 and they offer standard date representations, which can be used along with the date format functions (like date()).
Atom (example: 2005-08-15T15:52:01+0000)
HTTP Cookies (example: Mon, 15 Aug 2005 15:52:01 UTC)
ISO-8601 (example: 2005-08-15T15:52:01+0000)
RFC 822 (example: Mon, 15 Aug 2005 15:52:01 UTC)
RFC 850 (example: Monday, 15-Aug-05 15:52:01 UTC)
RFC 1036 (example: Monday, 15-Aug-05 15:52:01 UTC)
RFC 1123 (example: Mon, 15 Aug 2005 15:52:01 UTC)
RFC 2822 (Mon, 15 Aug 2005 15:52:01 +0000)
RSS (Mon, 15 Aug 2005 15:52:01 UTC)
World Wide Web Consortium (example: 2005-08-15T15:52:01+0000)
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Generated: 2007-01-26 18:00:28