Initial commit

app/Core/Database.php

@@ -0,0 +1,33 @@
+<?php 
+
+namespace App\Core;
+
+use PDO;
+
+class Database {
+    private static $instance = null;
+    private $connection;
+
+    private function __construct() {
+        $config = require __DIR__ . '/../Config/database.php';
+
+        $dsn = "mysql:host={$config['host']};dbname={$config['db']};charset=utf8mb4";
+        $this->connection = new PDO($dsn, $config['user'], $config['pass'], [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
+        ]);
+    }
+
+    public static function getInstance() {
+        if (!self::$instance) {
+            self::$instance = new self();
+        }
+        return self::$instance->connection;
+    }
+}
+
+// Usage in a Model:
+// $db = \App\Core\Database::getInstance();
+// $stmt = $db->query("SELECT * FROM users");
+
+ ?>