From a9e2ba61131dac531d8893a3d22d09a9934c9cad Mon Sep 17 00:00:00 2001
From: Krivchikov Dmitry <KrivchikovDA@gmail.com>
Date: Tue, 17 May 2016 20:27:37 +0300
Subject: [PATCH] =?UTF-8?q?ADD=20=D1=80=D0=B0=D1=81=D1=81=D1=87=D1=91?=
 =?UTF-8?q?=D1=82=20=D0=B4=D0=BB=D0=B8=D0=BD=D1=8B=20=D1=82=D1=80=D0=B5?=
 =?UTF-8?q?=D0=BA=D0=B0=20=D0=BF=D1=80=D0=B8=20=D0=B8=D0=BC=D0=BF=D0=BE?=
 =?UTF-8?q?=D1=80=D1=82=D0=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 classes/Geo.php | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 classes/Geo.php

diff --git a/classes/Geo.php b/classes/Geo.php
new file mode 100644
index 0000000..89b894c
--- /dev/null
+++ b/classes/Geo.php
@@ -0,0 +1,23 @@
+<?php
+
+class Geo
+{
+
+	static function distance($latlng1, $latlng2)
+	{
+
+		// Convert degrees to radians.
+		$lat1 = deg2rad($latlng1['lat']);
+		$lng1 = deg2rad($latlng1['lng']);
+		$lat2 = deg2rad($latlng2['lat']);
+		$lng2 = deg2rad($latlng2['lng']);
+
+		// Calculate delta longitude and latitude.
+		$delta_lat = ($lat2 - $lat1);
+		$delta_lng = ($lng2 - $lng1);
+
+		return (6378137 * acos(cos($lat1) * cos($lat2) * cos($lng1 - $lng2) + sin($lat1) * sin($lat2)));
+//		return round(6378137 * acos(cos($lat1) * cos($lat2) * cos($lng1 - $lng2) + sin($lat1) * sin($lat2)));
+	}
+
+}