🚀 مُصادَق: الإطلاق الأولي للنظام المتكامل

app/Core/Database.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Core;
+
+use PDO;
+use PDOException;
+use Exception;
+
+final class Database
+{
+    private static ?PDO $instance = null;
+
+    public static function getInstance(): PDO
+    {
+        if (self::$instance === null) {
+            $host = $_ENV['DB_HOST'];
+            $db   = $_ENV['DB_DATABASE'];
+            $user = $_ENV['DB_USERNAME'];
+            $pass = $_ENV['DB_PASSWORD'];
+            $port = $_ENV['DB_PORT'];
+            $charset = $_ENV['DB_CHARSET'] ?? 'utf8mb4';
+
+            $dsn = "mysql:host=$host;dbname=$db;port=$port;charset=$charset";
+            $options = [
+                PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+                PDO::ATTR_EMULATE_PREPARES   => false,
+            ];
+
+            try {
+                self::$instance = new PDO($dsn, $user, $pass, $options);
+            } catch (PDOException $e) {
+                throw new Exception("Database Connection Error: " . $e->getMessage());
+            }
+        }
+
+        return self::$instance;
+    }
+}