Laracoord

Calculate distance between two points on a globe.

getDistance() method:

No dependencies, just pass sets of coordinates to calculate distance between places.

Installation:

Add

"ivanciric/laracoord": "dev-master" 

to composer "require" array.

Run "composer update".

You can now use the class:

$g = Laracoord::getDistance(
            [
                'lon' => 25.3892,
                'lat' => 35.3172
            ],
            [
                'lon' => 28.3892,
                'lat' => 37.3172
            ],
            'km'
        );

dd($g);

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Related links:

http://mathworld.wolfram.com/Haversine.html

http://www.codecodex.com/wiki/Calculate_distance_between_two_points_on_a_globe#PHP