Example Array Task

array.php

<?php

$biodata = [
    "nama" => "Raka",
    "jenis_kelamin" => "L",
    "no_hp" => "8515541515",
    "alamat" => "Lebak, Banten",
    "usia" => 20,
];

echo "<pre>";
print_r($biodata);
echo "</pre>";

// MANIPULASI ARRAY INDEXED
$kelas = [
    "1A", // index 0
    "2B" // index 1
];

// tambahkan data
$kelas[] = "2D";

// ubah data
$kelas[0] = "1F";

$kelas[1] = "2A";

echo "<pre>";
// print_r($kelas);
echo "</pre>";


// MANIPULASI ARRAY ASSOCIATIVE
$mahasiswa = [
    "nama" => "Raka",
    "jenis_kelamin" => "L",
    "no_hp" => "8515541515",
    "alamat" => "Lebak, Banten",
    "usia" => 20,
];

$mahasiswa["email"] = "[email protected]";
$mahasiswa["usia"] = 19;

// ubah nama
$mahasiswa["nama"] = "Ramdoni";
unset($mahasiswa["alamat"]);

// krsort($mahasiswa);

echo "<pre>";
print_r($mahasiswa);
echo "</pre>";

// MANIPULASI ARRAY MULTIDIMENSI
$mobil = [
    ["merk" => "BYD", "stok" => 20],
    ["merk" => "Tesla", "stok" => 25], // ubah stok 30
    ["merk" => "Xpeng", "stok" => 22],
];

// krsort($mahasiswa);
$mobil[1]["merk"] = "Hyundai";
$mobil[2]["stok"] = 10;

$mobil2 = [
    ["BYD", 20],
    ["Tesla", 25],
    ["Xpeng", 22],
];
$mobil2[2][1] = 30;

echo "<pre>";
print_r($mobil2);
echo "</pre>";

// PERULANGAN PADA ARRAY
$mobil = [
    ["merk" => "BYD", "stok" => 20],
    ["merk" => "Tesla", "stok" => 25], // ubah stok 30
    ["merk" => "Xpeng", "stok" => 22],
];

// output : Mobil ini bermerk BYD dengan stok 20
foreach ($mobil as $key => $value) {
    if ($value['stok'] == 20) {
        echo "Mobil ini bermerk $value[merk] dengan stok $value[stok] <br />";
    }
}