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<?php $latitude = '1234'; $longitude = '4567'; $items = [ ['name' => 'me', 'latitude' => '1234', 'longitude' =>'4567'], ['name' => 'you', 'latitude' => '2345', 'longitude' =>'5678'] ]; $ref = array($latitude, $longitude); $distances = array_map(function($item) use($ref) { $a = array_slice($item, -2); return distance($a, $ref); }, $items); asort($distances); function distance($a, $b) { list($lat1, $lon1) = $a; list($lat2, $lon2) = $b; $theta = $lon1 - $lon2; $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta)); $dist = acos($dist); $dist = rad2deg($dist); $miles = $dist * 60 * 1.1515; return $miles; }
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Warning: Undefined array key 0 in /in/R8Ig0 on line 23 Warning: Undefined array key 1 in /in/R8Ig0 on line 23 Deprecated: deg2rad(): Passing null to parameter #1 ($num) of type float is deprecated in /in/R8Ig0 on line 27 Deprecated: deg2rad(): Passing null to parameter #1 ($num) of type float is deprecated in /in/R8Ig0 on line 27 Warning: Undefined array key 0 in /in/R8Ig0 on line 23 Warning: Undefined array key 1 in /in/R8Ig0 on line 23 Deprecated: deg2rad(): Passing null to parameter #1 ($num) of type float is deprecated in /in/R8Ig0 on line 27 Deprecated: deg2rad(): Passing null to parameter #1 ($num) of type float is deprecated in /in/R8Ig0 on line 27
Output for 8.0.0 - 8.0.30
Warning: Undefined array key 0 in /in/R8Ig0 on line 23 Warning: Undefined array key 1 in /in/R8Ig0 on line 23 Warning: Undefined array key 0 in /in/R8Ig0 on line 23 Warning: Undefined array key 1 in /in/R8Ig0 on line 23
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 0 in /in/R8Ig0 on line 23 Notice: Undefined offset: 1 in /in/R8Ig0 on line 23 Notice: Undefined offset: 0 in /in/R8Ig0 on line 23 Notice: Undefined offset: 1 in /in/R8Ig0 on line 23
Output for 7.3.32 - 7.3.33
preferences:
104.78 ms | 410 KiB | 5 Q