Display Sunrise and Sunset Time Using PHP and BIN

/****************************************************************************************************************/
/* Description: This snippet is provide simple way to help user display Visitor's Sunrise and Sunset Time.      */
/*              suggestions for different city locations across the country.                                    */
/*              There are 1 steps in this snippet. For information, please visit IP2Location tutorial page at:  */
/*https://www.ip2location.com/tutorials/display-sunrise-sunset-time-using-php-and-bin-database                  */
/****************************************************************************************************************/
/* You can obtain free IP2Location LITE database for bin at https://lite.ip2location.com/                       */
/* You can obtain free IP2Location PHP class module data for at https://www.ip2location.com/developers/php      */

<?php
    error_reporting(E_ALL);
    ini_set('display_errors', 1);
    set_time_limit(0);

    require_once('IP2Location.php');

    // Standard lookup with no cache
    $loc = new \IP2Location\Database('./databases/IP-COUNTRY-REGION-CITY-LATITUDE-LONGITUDE-ZIPCODE-TIMEZONE-ISP-DOMAIN-NETSPEED-AREACODE-WEATHER-MOBILE-ELEVATION-USAGETYPE-SAMPLE.BIN', \IP2Location\Database::FILE_IO);

    /*
       Cache whole database into system memory and share among other scripts & websites
       WARNING: Please make sure your system have sufficient RAM to enable this feature
    */
    //$loc = new \IP2Location\Database('./databases/IP-COUNTRY-REGION-CITY-LATITUDE-LONGITUDE-ZIPCODE-TIMEZONE-ISP-DOMAIN-NETSPEED-AREACODE-WEATHER-MOBILE-ELEVATION-USAGETYPE-SAMPLE.BIN', \IP2Location\Database::SHARED_MEMORY);

    /*
       Cache the database into memory to accelerate lookup speed
       WARNING: Please make sure your system have sufficient RAM to enable this feature
    */
    //$loc = new \IP2Location\Database(ROOT . './databases/IP-COUNTRY-REGION-CITY-LATITUDE-LONGITUDE-ZIPCODE-TIMEZONE-ISP-DOMAIN-NETSPEED-AREACODE-WEATHER-MOBILE-ELEVATION-USAGETYPE-SAMPLE.BIN', \IP2Location\Database::MEMORY_CACHE);

    $ip = $_SERVER['REMOTE_ADDR'];

    //Retrieving data from database
    $time_zone = $loc->lookup($ip, \IP2Location\Database::TIME_ZONE);
    $country_code = $loc->lookup($ip, \IP2Location\Database::COUNTRY_CODE);
    $latitude = $loc->lookup($ip, \IP2Location\Database::LATITUDE);
    $longitude = $loc->lookup($ip, \IP2Location\Database::LONGITUDE);


    //Setting Sun's zenith value
    $zenith = 90+50/60;
    $offset = explode(':', $time_zone);

    date_default_timezone_set("UTC");
    $date = date_create("UTC");

    $sunset = date_sunset(date_timestamp_get($date), SUNFUNCS_RET_STRING, $latitude, $longitude, $zenith, $offset[0]);
    $sunrise = date_sunrise(date_timestamp_get($date), SUNFUNCS_RET_STRING, $latitude, $longitude, $zenith, $offset[0]);

    //Displaying output
    echo 'Country Code: ' . $country_code . '<br />';
    echo 'Sunset Time: ' . $sunset . '<br />';
    echo 'Sunrise Time: ' . $sunrise . '<br />';
    echo 'Latitude: ' . $latitude . '<br />';
    echo 'Longitude: ' . $longitude . '<br />';
?>