112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
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<?php
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/**
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* $Desc$
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*
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* @version $Id$
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* @package opalestate
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* @author Opal Team <info@wpopal.com >
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* @copyright Copyright (C) 2019 wpopal.com. All Rights Reserved.
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* @license GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
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*
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* @website http://www.wpopal.com
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* @support http://www.wpopal.com/support/forum.html
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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class OpalEstate_GeoLocation {
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/*
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* function to geocode address, it will return false if unable to geocode address
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*/
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public static function get_points_in_miles( $latitude, $longitude, $miles ) {
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$equator = 69.172;
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$maxlat = $latitude + $miles / $EQUATOR_LAT_MILE;
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$minlat = $latitude - ($maxlat - $latitude);
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$maxlong = $longitude + $miles / (cos($minlat * M_PI / 180) * $equator);
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$minlong = $longitude - ($maxlong - $longitude);
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return array(
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'minlat' => $minlat,
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'maxlat' => $maxlat,
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'minlong' => $minlong,
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'maxlong' => $maxlong
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);
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}
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/*
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* function to geocode address, it will return false if unable to geocode address
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*/
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public static function calculate( $lat1, $long1, $lat2, $long2 ) {
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$EARTH_RADIUS_MILES = 3963;
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$dist = 0;
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//convert degrees to radians
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$lat1 = $lat1 * M_PI / 180;
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$long1 = $long1 * M_PI / 180;
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$lat2 = $lat2 * M_PI / 180;
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$long2 = $long2 * M_PI / 180;
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if ($lat1 != $lat2 || $long1 != $long2) {
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$dist = sin($lat1) * sin($lat2) + cos($lat1) * cos($lat2) * cos($long2 - $long1);
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$dist = $EARTH_RADIUS_MILES * (-1 * atan($dist / sqrt(1 - $dist * $dist)) + M_PI / 2);
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}
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return $dist;
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}
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/*
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* function to geocode address, it will return false if unable to geocode address
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*/
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public static function geocode( $address ){
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// url encode the address
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$address = urlencode($address);
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// google map geocode api url
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$url = opalestate_get_map_search_api_uri( $address );
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// get the json response
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// $resp_json = file get contents($url);
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$resp_json = wp_remote_get($url);
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// decode the json
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$resp = json_decode($resp_json, true);
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// response status will be 'OK', if able to geocode given address
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if($resp['status']=='OK'){
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// get the important data
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$lati = isset($resp['results'][0]['geometry']['location']['lat']) ? $resp['results'][0]['geometry']['location']['lat'] : "";
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$longi = isset($resp['results'][0]['geometry']['location']['lng']) ? $resp['results'][0]['geometry']['location']['lng'] : "";
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$formatted_address = isset($resp['results'][0]['formatted_address']) ? $resp['results'][0]['formatted_address'] : "";
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// verify if data is complete
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if($lati && $longi && $formatted_address){
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// put the data in the array
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$data_arr = array();
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array_push(
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$data_arr,
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$lati,
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$longi,
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$formatted_address
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);
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return $data_arr;
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}else{
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return false;
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}
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}
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else{
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return false;
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}
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}
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}
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