PHP计算2点经纬度之间的距离代码

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<div class="codetitle"><a style="CURSOR: pointer" data="9040" class="copybut" id="copybut9040" onclick="doCopy('code9040')"> 代码如下:

<div class="codebody" id="code9040">@H_3012@function getDistanceBetweenPointsNew($latitude1,$longitude1,$latitude2,$longitude2) {@H3012@ $theta = $longitude1 - $longitude2;@H3012@ $miles = (sin(deg2rad($latitude1)) sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) cos(deg2rad($latitude2)) * cos(deg2rad($theta)));@H3012@ $miles = acos($miles);@H3012@ $miles = rad2deg($miles);@H3012@ $miles = $miles 60 1.1515;@H3012@ $feet = $miles * 5280;@H3012@ $yards = $feet / 3;@H3012@ $kilometers = $miles * 1.609344;@H3012@ $meters = $kilometers * 1000;@H3012@ return compact('miles','feet','yards','kilometers','meters'); @H3012@}$point1 = array('lat' => 40.770623,'long' => -73.964367);@H301_2@$point2 = array('lat' => 40.758224,'long' => -73.917404);@H_3012@$distance = getDistanceBetweenPointsNew($point1['lat'],$point1['long'],$point2['lat'],$point2['long']);@H3012@foreach ($distance as $unit => $value) {@H301_2@ echo $unit.': '.numberformat($value,4).'
';@H
3012@}The example returns the following:miles: 2.6025@H3012@feet: 13,741.4350@H3012@yards: 4,580.4783@H3012@kilometers: 4.1884@H3012@meters: 4,188.3894@H301_2@

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