(PHP 5)

date_sunrise — Returns time of sunrise for a given day and location

Описание

mixed date_sunrise ( int $timestamp [, int $format [, float $latitude [, float $longitude [, float $zenith [, float $gmt_offset]]]]] )

date_sunrise() returns the sunrise time for a given day (specified as a timestamp) and location.

Список параметров


timestamp

The timestamp of the day from which the sunrise time is taken.

format

Таблица. format constants

constant description example
SUNFUNCS_RET_STRING returns the result as string 16:46
SUNFUNCS_RET_DOUBLE returns the result as float 16.78243132
SUNFUNCS_RET_TIMESTAMP returns the result as integer (timestamp) 1095034606


latitude

Defaults to North, pass in a negative value for South. See also: date.default_latitude

longitude

Defaults to East, pass in a negative value for West. See also: date.default_longitude

zenith

Default: date.sunrise_zenith

gmtoffset

Specified in hours.

Возвращаемые значения

Returns the sunrise time in a specified format on success, or FALSE on failure.

Errors/Exceptions

Every call to a date/time function will generate a E_NOTICE if the time zone is not valid, and/or a E_STRICT message if using the system settings or the TZ environment variable. See also date_default_timezone_set()

Список изменений


Версия Описание
5.1.0

Now issues the E_STRICT and E_NOTICE time zone errors.

Примеры


date_sunrise() example

<?php

/* calculate the sunrise time for Lisbon, Portugal
Latitude: 38.4 North
Longitude: 9 West
Zenith ~= 90
offset: +1 GMT
*/

echo date("D M d Y"). ', sunrise time : ' .date_sunrise(time(), SUNFUNCS_RET_STRING, 38.4, -9, 90, 1);

?>

Результатом выполнения данного примера будет что-то подобное:

Mon Dec 20 2004, sunrise time : 08:54


Смотрите также

date_sunset()