Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl <?php function calcDistancia($lat1, $long1, $lat2, $long2) { $d2r = 0.017453292519943295769236; $dlong = ($long2 - $long1) * $d2r; $dlat = ($lat2 - $lat1) * $d2r; $temp_sin = sin($dlat/2.0); $temp_cos = cos($lat1 * $d2r); $temp_sin2 = sin($dlong/2.0); $a = ($temp_sin * $temp_sin) + ($temp_cos * $temp_cos) * ($temp_sin2 * $temp_sin2); $c = 2.0 * atan2(sqrt($a), sqrt(1.0 - $a)); return 6368.1 * $c; } echo '1: ' . calcDistancia(-11.531371, -46.559372, -11.686069, -46.305313) . "\n"; echo '2: ' . calcDistancia(-23.524487, -47.441711, -23.549078,-46.614304) . "\n"; Private [?] Run code Submit