Created
December 5, 2013 15:20
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Calculating distance between two points (Latitude, Longitude).
Author: https://coderwall.com/st0ik
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| $lat = 41.118491 // Users latitude | |
| $lng = 25.404509 // Users longitude | |
| SELECT *, | |
| ( 6371 * acos( cos( radians($lat) ) | |
| * cos( radians( latitude ) ) | |
| * cos( radians( longitude ) - radians($lng) ) + sin( radians($lat) ) | |
| * sin( radians( latitude ) ) ) ) | |
| AS calculated_distance | |
| FROM settings as T | |
| HAVING calculated_distance <= (SELECT distance FROM settings WHERE sid=T.sid) | |
| ORDER BY distance_calc |
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