PHP code BubbleSort

$sortarr = array(3,5,15,3,2,6,7,50,1,4,5,2,100,9,3,2,6,7,13,18);

    echo "<pre>";
    // Array to be sorted
    print_r($sortarr);
    // Sorted Array
    print_r(bubble_sort($sortarr));
    echo "<pre>";

    function bubble_sort($sortarr){
        // Bubble sorting
        $array_count = count($sortarr);
        for($x = 0; $x < $array_count; $x++){
            for($a = 0 ;  $a < $array_count - 1 ; $a++){
                if($a < $array_count ){
                    if($sortarr[$a] > $sortarr[$a + 1] ){
                            swap($sortarr, $a, $a+1);
                    }
                }
            }
        }
        return $sortarr;    
    }

    function swap(&$arr, $a, $b) {
        $tmp = $arr[$a];
        $arr[$a] = $arr[$b];
        $arr[$b] = $tmp;
    }

Implementasi:

<?php
function getJarak($latitudeFrom, $longitudeFrom, $latitudeTo, $longitudeTo, $earthRadius = 6371000){
  // convert from degrees to radians
  $latFrom = deg2rad($latitudeFrom);
  $lonFrom = deg2rad($longitudeFrom);
  $latTo = deg2rad($latitudeTo);
  $lonTo = deg2rad($longitudeTo);

  $latDelta = $latTo - $latFrom;
  $lonDelta = $lonTo - $lonFrom;

  $angle = 2 * asin(sqrt(pow(sin($latDelta / 2), 2) +
    cos($latFrom) * cos($latTo) * pow(sin($lonDelta / 2), 2)));
  $jr=($angle * $earthRadius)/1000;
return round($jr,3);
  }
function swap(&$arr, $a, $b) {
        $tmp = $arr[$a];
        $arr[$a] = $arr[$b];
        $arr[$b] = $tmp;
    }
?>

$i=0;

$j=0;

foreach($awisata -> result() as $a){

$dtelp=$a->telepon;

$dnama=$a->nama_tempat_wisata;

$dalamat=$a->alamat;

$dlat=$a->latitude;

$dlon=$a->longitude;

$arN[$i]=$dnama;

$arA[$i]=$dalamat;

$arLat[$i]=$dlat;

$arLon[$i]=$dlon;

$arLinkW[$j]=base_url('index/detail_info/wisata/'.$a->id_wisata);

$arNW[$j]=$dnama;

$arJW[$j]=getJarak($lat,$lon,$dlat,$dlon);$j++;

$i++;

}

   

    

$j=0;

foreach($ahiburan -> result() as $a){

$dtelp=$a->telepon;

$dnama=$a->nama_hiburan;

$dalamat=$a->alamat;

$dlat=$a->latitude;

$dlon=$a->longitude;

$arN[$i]=$dnama;

$arA[$i]=$dalamat;

$arLat[$i]=$dlat;

$arLon[$i]=$dlon;

$arNH[$j]=$dnama;

$arLinkH[$j]=base_url('index/detail_info/hiburan/'.$a->id_hiburan);

$arJH[$j]=getJarak($lat,$lon,$dlat,$dlon);$j++;

$i++;

}

$j=0;

foreach($atm -> result() as $a){

$dtelp=$a->telepon;

$dnama=$a->nama_tempat_makan;

$dalamat=$a->alamat;

$dlat=$a->latitude;

$dlon=$a->longitude;

$arN[$i]=$dnama;

$arA[$i]=$dalamat;

$arLat[$i]=$dlat;

$arLon[$i]=$dlon;

$arNM[$j]=$dnama;

$arLinkM[$j]=base_url('index/detail_info/tm/'.$a->id_tempat_makan);

$arJM[$j]=getJarak($lat,$lon,$dlat,$dlon);$j++;

$i++;

}

$j=0;

foreach($apenginapan -> result() as $a){

$dtelp=$a->telepon;

$dnama=$a->nama_penginapan;

$dalamat=$a->alamat;

$dlat=$a->latitude;

$dlon=$a->longitude;

$arN[$i]=$dnama;

$arA[$i]=$dalamat;

$arLat[$i]=$dlat;

$arLon[$i]=$dlon;

$arNP[$j]=$dnama;

$arLinkP[$j]=base_url('index/detail_info/penginapan/'.$a->id_penginapan);

$arJP[$j]=getJarak($lat,$lon,$dlat,$dlon);$j++;

$i++;

}

$j=0;

foreach($alayanan -> result() as $a){

$dtelp=$a->telepon;

$dnama=$a->nama_tempat_layanan;

$dalamat=$a->alamat;

$dlat=$a->latitude;

$dlon=$a->longitude;

$arN[$i]=$dnama;

$arA[$i]=$dalamat;

$arLat[$i]=$dlat;

$arLon[$i]=$dlon;

$arNL[$j]=$dnama;

$arLinkL[$j]=base_url('index/detail_info/layanan/'.$a->id_layanan);

$arJL[$j]=getJarak($lat,$lon,$dlat,$dlon);$j++;

$i++;

}

<?php

echo"<b>Taman Wisata Terdekat:</b>";

$array_count = count($arJW);

        for($x = 0; $x < $array_count; $x++){

            for($a = 0 ;  $a < $array_count - 1 ; $a++){

                if($a < $array_count ){

                    if($arJW[$a] > $arJW[$a + 1] ){

                            swap($arJW, $a, $a+1);

swap($arNW, $a, $a+1);

   swap($arLinkW, $a, $a+1);

                    }

                }

            }

        }//for $x

echo"<ol>";

for($i=1;$i<4;$i++){

echo "<li><a href='".$arLinkW[$i]."'>".$arNW[$i]." (".$arJW[$i]." KM) </a></li>";

}

echo"</ol>";

?>