509318396
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<!DOCTYPE html>
<html>
<?php
declare(strict_types=1);

function db(): PDO
{
    static $pdo;
    if ($pdo instanceof PDO) {
        return $pdo;
    }

    $config = require __DIR__ . '/config.php';
    $db = $config['db'];
    $dsn = sprintf('mysql:host=%s;port=%s;dbname=%s;charset=%s', $db['host'], $db['port'], $db['name'], $db['charset']);
    $pdo = new PDO($dsn, $db['user'], $db['pass'], [
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
        PDO::ATTR_EMULATE_PREPARES => false,
    ]);
    return $pdo;
}