42 lines
1001 B
PHP
42 lines
1001 B
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace App;
|
|
|
|
use PDO;
|
|
use PDOException;
|
|
|
|
final class Database
|
|
{
|
|
private static ?PDO $connection = null;
|
|
|
|
public static function connection(): PDO
|
|
{
|
|
if (self::$connection instanceof PDO) {
|
|
return self::$connection;
|
|
}
|
|
|
|
$config = config('database');
|
|
if (empty($config['name']) || empty($config['user'])) {
|
|
throw new PDOException('Database configuration is unavailable.');
|
|
}
|
|
|
|
$dsn = sprintf(
|
|
'mysql:host=%s;port=%d;dbname=%s;charset=%s',
|
|
$config['host'],
|
|
$config['port'],
|
|
$config['name'],
|
|
$config['charset']
|
|
);
|
|
|
|
self::$connection = new PDO($dsn, $config['user'], $config['password'], [
|
|
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
|
|
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
|
|
PDO::ATTR_EMULATE_PREPARES => false,
|
|
]);
|
|
|
|
return self::$connection;
|
|
}
|
|
}
|