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Page 1 of 2 PHP Date / Time Introduction The date/time functions allow you to extract and format the date and time on the server. Note: These functions depend on the locale settings of the server! Installation The date/time functions are part of the PHP core. There is no installation needed to use these functions. Runtime Configuration The behavior of the date/time functions is affected by settings in php.ini. Date/Time configuration options:
| Name | Default | Description | Changeable | date.default_latitude | "31.7667" | Specifies the default latitude (available since PHP 5). This option is used by date_sunrise() and date_sunset() | PHP_INI_ALL | date.default_longitude | "35.2333" | Specifies the default longitude (available since PHP 5). This option is used by date_sunrise() and date_sunset() | PHP_INI_ALL | date.sunrise_zenith | "90.83" | Specifies the default sunrise zenith (available since PHP 5). This option is used by date_sunrise() and date_sunset() | PHP_INI_ALL | date.sunset_zenith | "90.83" | Specifies the default sunset zenith (available since PHP 5). This option is used by date_sunrise() and date_sunset() | PHP_INI_ALL | date.timezone | "" | Specifies the default timezone (available since PHP 5.1) | PHP_INI_ALL | PHP Date / Time Functions PHP: indicates the earliest version of PHP that supports the function. | Function | Description | PHP | checkdate() | Validates a Gregorian date | 3 | date_default_timezone_get() | Returns the default time zone | 5 | date_default_timezone_set() | Sets the default time zone | 5 | date_sunrise() | Returns the time of sunrise for a given day / location | 5 | date_sunset() | Returns the time of sunset for a given day / location | 5 | date() | Formats a local time/date | 3 | getdate() | Returns an array that contains date and time information for a Unix timestamp | 3 | gettimeofday() | Returns an array that contains current time information | 3 | gmdate() | Formats a GMT/UTC date/time | 3 | gmmktime() | Returns the Unix timestamp for a GMT date | 3 | gmstrftime() | Formats a GMT/UTC time/date according to locale settings | 3 | idate() | Formats a local time/date as integer | 5 | localtime() | Returns an array that contains the time components of a Unix timestamp | 4 | microtime() | Returns the microseconds for the current time | 3 | mktime() | Returns the Unix timestamp for a date | 3 | strftime() | Formats a local time/date according to locale settings | 3 | strptime() | Parses a time/date generated with strftime() | 5 | strtotime() | Parses an English textual date or time into a Unix timestamp | 3 | time() | Returns the current time as a Unix timestamp | 3 |
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Last Updated ( Thursday, 03 April 2008 )
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