date_sun_info()函数返回一个包含有关指定日期与地点的日出/日落和黄昏开始/黄昏结束的信息的数组。
定义和用法
date_sun_info()函数接受位置的时间，纬度和经度，并在给定位置提供有关日出/日落以及黄昏开始/结束的信息。
语法
date_sun_info($timestamp, $latitude, $longitude)
参数
| 序号 | 参数及说明 |
|---|---|
| 1 | timestamp (必需) 这指定一个时间戳。 |
| 2 | latitude (必需) 这指定位置的纬度。 |
| 3 | longitude (必需) 这指定位置的经度。 |
返回值
date_sun_info()函数返回一个数组，该数组包含有关指定位置中给定日期的日出/日落以及黄昏的开始/结束的信息。
PHP版本
此函数最初是在PHP版本5.2.0中引入的，并且可以在所有更高版本中使用。
在线示例
以下示例演示了date_sun_info()函数的用法-
<?php
$sun_info = date_sun_info("02-17-2012", 20.5937, 78.9629);
print_r($sun_info);
?>测试看看‹/›输出结果
Array ( [sunrise] => 4818 [sunset] => 44087 [transit] => 24453 [civil_twilight_begin] => 3381 [civil_twilight_end] => 45524 [nautical_twilight_begin] => 1729 [nautical_twilight_end] => 47176 [astronomical_twilight_begin] => 98 [astronomical_twilight_end] => 48807 )
在线示例
以下示例获取同一日期在不同位置的信息-
<?php
$sun_info = date_sun_info("02-17-2012", 37.0902, 95.7129);
print_r($sun_info);
?>测试看看‹/›输出结果
Array ( [sunrise] => 3038 [sunset] => 37825 [transit] => 20431 [civil_twilight_begin] => 1307 [civil_twilight_end] => 39556 [nautical_twilight_begin] => -642 [nautical_twilight_end] => 41505 [astronomical_twilight_begin] => -2538 [astronomical_twilight_end] => 43402 )
在线示例
以下示例在不同日期获取位置信息-
<?php $time = "2000-01-01"; $latitude = 31.7667; $longitude = 35.2333; print_r(date_sun_info($time, $latitude, $longitude)); $time = "2010-01-01"; print_r(date_sun_info($time, $latitude, $longitude)); $time = "2020-01-01"; print_r(date_sun_info($time, $latitude, $longitude)); ?>测试看看‹/›
输出结果
Array ( [sunrise] => 16742 [sunset] => 53161 [transit] => 34951 [civil_twilight_begin] => 15138 [civil_twilight_end] => 54765 [nautical_twilight_begin] => 13316 [nautical_twilight_end] => 56587 [astronomical_twilight_begin] => 11534 [astronomical_twilight_end] => 58369 ) Array ( [sunrise] => 16742 [sunset] => 53161 [transit] => 34951 [civil_twilight_begin] => 15138 [civil_twilight_end] => 54765 [nautical_twilight_begin] => 13316 [nautical_twilight_end] => 56587 [astronomical_twilight_begin] => 11534 [astronomical_twilight_end] => 58369 ) Array ( [sunrise] => 16742 [sunset] => 53161 [transit] => 34951 [civil_twilight_begin] => 15138 [civil_twilight_end] => 54765 [nautical_twilight_begin] => 13316 [nautical_twilight_end] => 56587 [astronomical_twilight_begin] => 11534 [astronomical_twilight_end] => 58369 )
在线示例
<?php
$sun_info = date_sun_info(strtotime("2017-07-12"), 20.5937, 78.9629);
foreach ($sun_info as $key => $val) {
echo "$key: " . date("H:i:s", $val) . "\n";
}
?>测试看看‹/›输出结果
sunrise: 00:11:03 sunset: 13:28:33 transit: 06:49:48 civil_twilight_begin: 23:46:45 civil_twilight_end: 13:52:51 nautical_twilight_begin: 23:17:48 nautical_twilight_end: 14:21:47 astronomical_twilight_begin: 22:47:55 astronomical_twilight_end: 14:51:41