date_sunrise
(PHP 5)
date_sunrise — Returns time of sunrise for a given day and location
설명
date_sunrise() returns the sunrise time for a given day (specified as a timestamp ) and location.
매개변수
- timestamp
-
The timestamp of the day from which the sunrise time is taken.
- format
-
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.
반환값
Returns the sunrise time in a specified format on success, or FALSE on failure.
오류/예외
모든 날짜/시간 함수 호출은 시간대가 유효하지 않을 때 E_NOTICE를, 시스템 설정이나 TZ 환경 변수를 사용할 때 E_STRICT를 생성합니다. date_default_timezone_set()을 참고하십시오.
변경 기록
| 버전 | 설명 |
|---|---|
| 5.1.0 | Now issues the E_STRICT and E_NOTICE time zone errors. |
예제
Example#1 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);
?>
위 예제의 출력 예:
Mon Dec 20 2004, sunrise time : 08:54