массив 2d многомерный и вставить расстояние в массив многомерный массив

Я хочу рассчитать расстояние в N городах и взять вероятность междугородности.

Я не могу получить вставку в многомерный массив, работающий в PHP.

Может кто-нибудь помочь мне с вставкой расстояний в 2d массив?

class jarak2d extends addLat{

var $simpanjarak;

public function __construct() {
$this->simpanjarak=array_values(array(array()));
}

public function simpanbobot($simpanjarak) {
$a = $this->simpanjarak = $simpanjarak;
if (!empty($a));
{
$this->addbaru=$a;
}
return $this->addbaru;
}

public function gethasiljarak()
{
return $this->addbaru;
}
}

class addLat {
var $simpan;
var $simpanlat;

var $simpanlng;
var $lata;
var $long;
var $simpanjarak;
var $bobot;
var $addbaru;

public function __construct() {
$this->lata = array();
$this->long = array();
$this->simpan = array();
$this->lat = array();
$this->lng = array();

$this->simpanjarak = array();
}

public function addKota($addLat) {
$this->simpan = $addLat;
$address = $this->simpan;

$coordinates = file_get_contents('http://maps.googleapis.com/maps/api/geocode/json?address=' . urlencode($address) . '&sensor=true');
$coordinates = json_decode($coordinates);
echo 'Latitude:' . $coordinates->results[0]->geometry->location->lat;
echo "<br \>";
echo 'Longitude:' . $coordinates->results[0]->geometry->location->lng;
echo ' <br \> Address ' . $address . '<br \>';
echo "<br \>";
$lat = $coordinates->results[0]->geometry->location->lat;

$lng = $coordinates->results[0]->geometry->location->lng;

$a = $this->lata = $lat;
$b = $a;
$this->lata = $b;

$c = $this->long = $lng;
$d = $c;
$this->long = $d;

//      echo "<br \> Latitude " . $this->lata . "<br \>";
}

public function insertLat($lata) {
$this->lata = lata;
}

public function insertLong($long) {
$this->long = long;
}

public function getLat() {
//echo $this->lata;
return $this->lata;
}

public function getLong() {
//echo $this->long;
return $this->long;
}

public function addJarak($berangkat, $tujuankota) {

$berangkat = urlencode($berangkat);
$tujuankota = urlencode($tujuankota);

$data = file_get_contents("http://maps.googleapis.com/maps/api/distancematrix/json?origins=$berangkat&destinations=$tujuankota&language=en-EN&sensor=false");
$data = json_decode($data);

//$waktu = 0;
$jarak = 0;

foreach ($data->rows[0]->elements as $road) {
$jarak += $road->distance->value;
$jarak = $jarak / 1000;
}

echo "Berangkat: " . $data->origin_addresses[0];
echo "<br \>";
echo "Tujuan : " . $data->destination_addresses[0];

echo "<br \>";
echo "Jarak: " . $jarak . " KM";
echo "<br \>";
echo "<br \>";

$a = $this->simpanjarak = $jarak;
echo $a;
return $a;
}

public function getJarak() {
return $this->simpanjarak;
}
}

$addLat = new addLat();

$test = 'Jakarta';
$test1 = 'Brebes';
$test2='Pekalongan';
$test3 ='Semarang';

/*jarak */
$berangkat = $test;
$tujuankota = $test1;
$addLat->addJarak($berangkat, $tujuankota);
$hasil1 = array('Kota Berangkat' => $berangkat, 'Kota Tujuan' => $tujuankota, 'Jarak' => $addLat->getJarak() . ' KM');

$hasiljarak = array (array($addLat->getJarak())) ;

$bobot[] = $hasil1;

//$simpanjarak  = $hasiljarak;

$berangkat = $test1;
$tujuankota = $test2;
$addLat->addJarak($berangkat, $tujuankota);

$hasil2 = array('Kota Berangkat' => $berangkat, 'Kota Tujuan' => $tujuankota, 'Jarak' => $addLat->getJarak() . ' KM');

$hasiljarak1 = array(
array($addLat->getJarak()),
($addLat->getJarak()),
array($addLat->getJarak())
);

$bobot[] = $hasil2;

$simpanjarak[]=$hasiljarak1;
$simpanjarak[]=$hasiljarak;

$add = new addJarak();
$add->setNilai($bobot);
echo "<br \>  <br \> ArrayList Jarak Antar Kota / KM<pre>" . print_r($add->getNilai(), true) . "</pre> <br />";

$jarakd2= new jarak2d();

$jarakd2->simpanbobot($simpanjarak);

$jarakd2->simpanbobot($simpanjarak);
echo "<pre>" .print_r($jarakd2->gethasiljarak(),true ). "</pre>";

echo $hasiljarak[0][0] . $hasiljarak[1][0][0];