Difference between revisions of "Membuat dan mengonsumsi API sederhana dengan PHP"
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| − | + | ==Tujuan Pembelajaran== | |
| + | * Memahami konsep dasar REST API. | ||
| + | * Membangun API sederhana dengan PHP (tanpa framework). | ||
| + | * Mengonsumsi (mengakses) API menggunakan PHP dan tools seperti `curl`. | ||
| + | * Menjalankan API di server lokal Ubuntu 24.04 (menggunakan Apache). | ||
| − | + | ==Persiapan Lingkungan== | |
| − | + | '''1. Install Apache, PHP, dan cURL''' | |
| − | + | sudo apt update | |
| − | - | + | sudo apt install apache2 php libapache2-mod-php php-curl |
| − | - | ||
| − | - | ||
| − | |||
| − | + | '''2. Buat Folder Project''' | |
| − | + | sudo mkdir -p /var/www/html/simple-api | |
| + | sudo chown -R $USER:$USER /var/www/html/simple-api | ||
| + | cd /var/www/html/simple-api | ||
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| − | + | ==Bagian 1: Membuat API Sederhana== | |
| − | |||
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| − | |||
| − | + | '''1.1 Struktur Direktori''' | |
| − | + | simple-api/ | |
| + | ├── api.php | ||
| + | └── data.json | ||
| − | + | '''1.2 Isi `data.json`''' | |
| − | |||
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| − | |||
| − | + | <pre> | |
| − | + | [ | |
| − | [ | + | {"id": 1, "name": "Alice"}, |
| − | + | {"id": 2, "name": "Bob"}, | |
| − | + | {"id": 3, "name": "Charlie"} | |
| − | + | ] | |
| − | ] | + | </pre> |
| − | |||
| − | + | '''1.3 Isi `api.php`''' | |
| − | |||
| − | |||
| − | |||
| − | $data = json_decode(file_get_contents('data.json'), true); | + | <pre> |
| + | <?php | ||
| + | header('Content-Type: application/json'); | ||
| + | |||
| + | $data = json_decode(file_get_contents('data.json'), true); | ||
| + | |||
| + | if ($_SERVER['REQUEST_METHOD'] === 'GET') { | ||
| + | if (isset($_GET['id'])) { | ||
| + | $id = intval($_GET['id']); | ||
| + | foreach ($data as $item) { | ||
| + | if ($item['id'] === $id) { | ||
| + | echo json_encode($item); | ||
| + | exit; | ||
| + | } | ||
| + | } | ||
| + | echo json_encode(["error" => "Data not found"]); | ||
| + | } else { | ||
| + | echo json_encode($data); | ||
| + | } | ||
| + | } else { | ||
| + | echo json_encode(["error" => "Method not supported"]); | ||
| + | } | ||
| + | </pre> | ||
| − | + | '''1.4 Akses API via Browser''' | |
| − | + | * Semua data: [http://localhost/simple-api/api.php](http://localhost/simple-api/api.php) | |
| − | + | * Data berdasarkan ID: [http://localhost/simple-api/api.php?id=2](http://localhost/simple-api/api.php?id=2) | |
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| − | + | ==Bagian 2: Mengonsumsi API dengan PHP== | |
| − | + | '''2.1 File: `consume.php`''' | |
| − | + | <pre> | |
| − | + | <?php | |
| − | <?php | + | function getData($url) { |
| − | function getData($url) { | + | $ch = curl_init(); |
| − | + | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
| − | + | curl_setopt($ch, CURLOPT_URL, $url); | |
| − | + | $result = curl_exec($ch); | |
| − | + | curl_close($ch); | |
| − | + | return json_decode($result, true); | |
| − | + | } | |
| − | } | + | |
| + | $apiUrl = "http://localhost/simple-api/api.php"; | ||
| + | $data = getData($apiUrl); | ||
| + | |||
| + | echo "<h2>Daftar User</h2><ul>"; | ||
| + | foreach ($data as $user) { | ||
| + | echo "<li>{$user['id']} - {$user['name']}</li>"; | ||
| + | } | ||
| + | echo "</ul>"; | ||
| + | </pre> | ||
| − | + | '''2.2 Jalankan di browser''' | |
| − | + | * Simpan di `/var/www/html/simple-api/consume.php` | |
| + | * Akses di browser: [http://localhost/simple-api/consume.php](http://localhost/simple-api/consume.php) | ||
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| − | |||
| − | + | ==Bonus: Uji Coba dengan Terminal== | |
| − | |||
| − | |||
| − | -- | + | curl http://localhost/simple-api/api.php |
| + | curl http://localhost/simple-api/api.php?id=2 | ||
| − | + | ==Kesimpulan== | |
| − | `` | + | * Kamu telah berhasil membuat API sederhana menggunakan file JSON. |
| − | + | * API ini hanya mendukung method `GET`. | |
| − | curl | + | * Kamu juga telah belajar cara mengambil data API menggunakan PHP (`curl`). |
| − | |||
| − | + | Coba membuat versi POST, PUT, DELETE :) ... | |
| − | + | ==Pranala Menarik== | |
| − | |||
| − | |||
| − | |||
| − | + | * [[Web Programming]] | |
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| − | |||
Latest revision as of 11:40, 7 April 2025
Tujuan Pembelajaran
- Memahami konsep dasar REST API.
- Membangun API sederhana dengan PHP (tanpa framework).
- Mengonsumsi (mengakses) API menggunakan PHP dan tools seperti `curl`.
- Menjalankan API di server lokal Ubuntu 24.04 (menggunakan Apache).
Persiapan Lingkungan
1. Install Apache, PHP, dan cURL
sudo apt update sudo apt install apache2 php libapache2-mod-php php-curl
2. Buat Folder Project
sudo mkdir -p /var/www/html/simple-api sudo chown -R $USER:$USER /var/www/html/simple-api cd /var/www/html/simple-api
Bagian 1: Membuat API Sederhana
1.1 Struktur Direktori
simple-api/ ├── api.php └── data.json
1.2 Isi `data.json`
[
{"id": 1, "name": "Alice"},
{"id": 2, "name": "Bob"},
{"id": 3, "name": "Charlie"}
]
1.3 Isi `api.php`
<?php
header('Content-Type: application/json');
$data = json_decode(file_get_contents('data.json'), true);
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
if (isset($_GET['id'])) {
$id = intval($_GET['id']);
foreach ($data as $item) {
if ($item['id'] === $id) {
echo json_encode($item);
exit;
}
}
echo json_encode(["error" => "Data not found"]);
} else {
echo json_encode($data);
}
} else {
echo json_encode(["error" => "Method not supported"]);
}
1.4 Akses API via Browser
- Semua data: [1](http://localhost/simple-api/api.php)
- Data berdasarkan ID: [2](http://localhost/simple-api/api.php?id=2)
Bagian 2: Mengonsumsi API dengan PHP
2.1 File: `consume.php`
<?php
function getData($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);
$result = curl_exec($ch);
curl_close($ch);
return json_decode($result, true);
}
$apiUrl = "http://localhost/simple-api/api.php";
$data = getData($apiUrl);
echo "<h2>Daftar User</h2><ul>";
foreach ($data as $user) {
echo "<li>{$user['id']} - {$user['name']}</li>";
}
echo "</ul>";
2.2 Jalankan di browser
- Simpan di `/var/www/html/simple-api/consume.php`
- Akses di browser: [3](http://localhost/simple-api/consume.php)
Bonus: Uji Coba dengan Terminal
curl http://localhost/simple-api/api.php curl http://localhost/simple-api/api.php?id=2
Kesimpulan
- Kamu telah berhasil membuat API sederhana menggunakan file JSON.
- API ini hanya mendukung method `GET`.
- Kamu juga telah belajar cara mengambil data API menggunakan PHP (`curl`).
Coba membuat versi POST, PUT, DELETE :) ...