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date_sunset

(PHP 5)

date_sunset --  Returns time of sunset for a given day and location

Описание

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

date_sunset() returns the sunset time for a given day (specified as a timestamp) and location.

Список параметров

timestamp

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

format

Таблица 1. format constants

constantdescriptionexample
SUNFUNCS_RET_STRINGreturns the result as string16:46
SUNFUNCS_RET_DOUBLEreturns the result as float16.78243132
SUNFUNCS_RET_TIMESTAMPreturns 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.

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

ВерсияОписание
5.1.0

Now issues the E_STRICT and E_NOTICE time zone errors.

Возвращаемые значения

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

Примеры

Пример 1. date_sunset() example

<?php

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

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

?>

Результатом выполнения данного примера будет что-то подобное:

Mon Dec 20 2004, sunset time : 18:13

Смотрите также

date_sunrise()

Пред.НачалоСлед.
date_sunriseУровень вышеdate_time_set