PackIt/db.php

<?php
// db.php – shared PDO helper
// Included by every script that needs a database connection.
ini_set('display_errors', 1); ini_set('display_startup_errors', 1); error_reporting(E_ALL);
require_once __DIR__ . '/config.php';

function get_pdo(): PDO {
    global $host, $dbname, $username, $password, $charset;
    static $pdo = null;
    if ($pdo === null) {
        $dsn = "mysql:host=$host;dbname=$dbname;charset=$charset";
        $options = [
            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
            PDO::ATTR_EMULATE_PREPARES   => false,
        ];
        try {
            $pdo = new PDO($dsn, $username, $password, $options);
        } catch (PDOException $e) {
            http_response_code(500);
            die('<p style="font-family:monospace;color:#c00">Database connection failed: '
                . htmlspecialchars($e->getMessage()) . '</p>');
        }
    }
    return $pdo;
}