- Categories: PHP Functions, PHP Reference, Reference
Quick Reference
The PHP date_sun_info() function returns an array containing information about sunset/sunrise and twilight begin/end, for a specified day and location.
<?php
echo '<h3>Marina del Rey, CA: January 1, 2013</h3>';
$sun_info = date_sun_info(strtotime('2013-01-11'), 36.627861, -121.811211);
foreach ($sun_info as $key => $val) {
echo $key . ': ' . date('H:i:s',$val) . '<br>';
}
?>
Output
Marina del Rey, CA: January 1, 2013
sunrise: 15:19:15
sunset: 01:11:54
transit: 20:15:34
civil_twilight_begin: 14:51:03
civil_twilight_end: 01:40:06
nautical_twilight_begin: 14:19:09
nautical_twilight_end: 02:11:59
astronomical_twilight_begin: 13:48:02
astronomical_twilight_end: 02:43:07
Syntax
date_sun_info(timestamp, latitude, longitude)
Parameters
| Parameter | Description |
|---|---|
| timestamp | Specifies a timestamp (required) |
| latitude | Specifies the latitude in degrees (required) |
| longitude | Specifies the longitude in degrees (required) |
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PHP NOTES:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
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