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Load environment variables and establish database connection

This commit is contained in:
Ramon Caballero 2026-04-09 16:27:57 +01:00
parent 6918931ecc
commit 38304ed045
3 changed files with 83 additions and 7 deletions
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43
config/database.sql Normal file
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@ -0,0 +1,43 @@
--
-- Create database
--
DROP DATABASE IF EXISTS `PHPStarter`;
CREATE DATABASE IF NOT EXISTS `PHPStarter`;
USE `PHPStarter`;
--
-- Create user for database
--
DROP USER IF EXISTS 'PHPStarter_user'@'localhost';
CREATE USER 'PHPStarter_user'@'localhost' IDENTIFIED BY '';
GRANT ALL PRIVILEGES ON `PHPStarter`.* TO 'PHPStarter_user'@'localhost';
FLUSH PRIVILEGES;
--
-- Drop tables
--
DROP TABLE IF EXISTS `PHPStarter`;
--
-- Table structure for 'PHPStarter'
--
CREATE TABLE `PHPStarter` (
`id` INT AUTO_INCREMENT PRIMARY KEY,
`message` VARCHAR(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
--
-- Reset 'PHPStarter'
--
DELETE FROM `PHPStarter`;
ALTER TABLE `PHPStarter` AUTO_INCREMENT = 1;
INSERT INTO `PHPStarter` (`message`) VALUES
("Welcome to PHPStarter");

25
public/index.php
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@ -1,13 +1,34 @@
<?php
require_once __DIR__ . '/../vendor/autoload.php';
use Dotenv\Dotenv;
$dotenv = Dotenv::createImmutable(__DIR__ . '/../config', 'PHPStarter.env');
$dotenv->load();
use PHPStarter\DB;
$pdo = DB::connect();
$query = "SELECT * FROM `PHPStarter` WHERE `id` = 1";
$stmt = $pdo->prepare($query);
$stmt->execute();
$PHPStarter = $stmt->fetch();
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>PHPStarter</title>
<title><?= $PHPStarter->message ?></title>
<link rel="stylesheet" type="text/css" href="./css/PHPStarter.css">
<link rel="icon" type="image/x-icon" href="./icons/favicon.ico">
</head>
<body>
<h1>PHPStarter</h1>
<h1><?= $PHPStarter->message ?></h1>
<script type="text/javascript" src="./js/PHPStarter.js"></script>
</body>
</html>

16
src/DB.php
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@ -3,12 +3,24 @@
namespace PHPStarter;
use PDO;
use RuntimeException;
use PDOException;
class DB
{
public static function connect(): PDO
{
throw new RuntimeException("DB connection not implemented yet.");
try
{
$dsn = "mysql:host={$_ENV['DB_HOST']};dbname={$_ENV['DB_NAME']};port={$_ENV['DB_PORT']};unix_socket={$_ENV['DB_SOCKET']}";
$pdo = new PDO($dsn, $_ENV['DB_USER'], $_ENV['DB_PASS']);
$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch (PDOException $exception)
{
die("Database connection failed: " . $exception->getMessage());
}
return $pdo;
}
}