PHP - CALCULATE DISTANCE BETWEEN TWO MAP COORDINATES

PHP

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function getDistanceBetweenPointsNew($latitude1, $longitude1, $latitude2, $longitude2) {     $theta = $longitude1 - $longitude2;     $miles = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));     $miles = acos($miles);     $miles = rad2deg($miles);     $miles = $miles * 60 * 1.1515;     $feet = $miles * 5280;     $yards = $feet / 3;     $kilometers = $miles * 1.609344;     $meters = $kilometers * 1000;     return compact('miles','feet','yards','kilometers','meters'); }

Syntax

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<?php $point1 = array('lat' => 40.770623, 'long' => -73.964367); $point2 = array('lat' => 40.758224, 'long' => -73.917404); $distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']); foreach ($distance as $unit => $value) {     echo $unit.': '.number_format($value,4).'<br />'; } ?>