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php Programming Glossary: degMeasuring the distance between two coordinates in PHP http://stackoverflow.com/questions/10053358/measuring-the-distance-between-two-coordinates-in-php 6372.795477598 alpha delta_lat 2 beta delta_lon 2 a sin deg2rad alpha sin deg2rad alpha cos deg2rad this lat_a cos deg2rad.. alpha delta_lat 2 beta delta_lon 2 a sin deg2rad alpha sin deg2rad alpha cos deg2rad this lat_a cos deg2rad this lat_b sin.. beta delta_lon 2 a sin deg2rad alpha sin deg2rad alpha cos deg2rad this lat_a cos deg2rad this lat_b sin deg2rad beta sin deg2rad..
http://stackoverflow.com/questions/2548943/gps-format-in-php share improve this question Source php function DMStoDEC deg min sec Converts DMS Degrees minutes seconds to decimal format.. seconds to decimal format longitude latitude return deg min 60 sec 3600 function DECtoDMS dec Converts decimal longitude.. float part by using a string function. vars explode . dec deg vars 0 tempma 0. . vars 1 tempma tempma 3600 min floor tempma..
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