<?php
// Database configuration
define('DB_HOST', '127.0.0.1');
define('DB_NAME', 'app_38916');
define('DB_USER', 'app_38916');
define('DB_PASS', 'new_secure_password');

function db() {
  static $pdo;
  if (!$pdo) {
    try {
      $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
      ]);
    } catch (PDOException $e) {
      error_log($e->getMessage());
      die('Database connection failed.');
    }
  }
  return $pdo;
}