<?phpclass gpsMesafe {var $koordinat1;var $koordinat2;var $birim = NULL;var $formatla = NULL;function __construct($birim){$this->birim=$birim;}public function calc(){$radyan=57.2958;//derece$dunya=3958.75;//mil$acos=acos(sin($this->koordinat1[0]/$radyan)*sin($this->koordinat2[0]/$radyan)+cos($this->koordinat1[0]/$radyan)*cos($this->koordinat2[0]/$radyan)*cos($this->koordinat2[1]/$radyan-$this->koordinat1[1]/$radyan));$fark=$dunya*$acos;switch ($this->birim){default:case "":case "mil":$this->birim = "mil";$fark = $fark * 1;break;case "yard":$this->birim = "yard";$fark = $fark * 1760;break;case "parsec":$this->birim = "parsek";$fark = $fark * 0.0000000000000521553443;break;case "denizmili":$this->birim = "denizmili";$fark = $fark * 0.868974087;break;case "isikyili":$this->birim = "isikyili";$fark = $fark * 0.0000000000001701114356;break;case "kilometre":$this->birim = "kilometre";$fark = $fark * 1.609344;break;case "inç":$this->birim = "inç";$fark = $fark * 63360;break;case "furlong":$this->birim = "Furlongs";$fark = $fark * 8;break;case "adim":$this->birim = "adim";$fark = $fark * 5280;break;}$this->formatla = $fark." ".$this->birim;return $fark;}}$distance = new gpsMesafe ("kilometre");$distance->koordinat1=[89.98321, 21.951274];$distance->koordinat2=[89.44865, 22.65947];$distance->calc();echo $distance->formatla;echo "<br>";$distance->birim="mil";$distance->calc();echo $distance->formatla;?>
Çıktısı
59.440398042875 kilometre36.934550998963 mil