try {
    $pdo = new PDO("mysql:host=localhost;dbname=nellore_1_nelcom;charset=utf8mb4", 
                  "nellore_1_nelcom", 
                  "#Lola1996#");
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    
    // Verify table exists
    $tableExists = $pdo->query("SHOW TABLES LIKE 'offers'")->rowCount() > 0;
    if (!$tableExists) {
        throw new Exception("Table 'offers' doesn't exist in database!");
    }
    
} catch (Exception $e) {
    die("<h2>Error: " . $e->getMessage() . "</h2>");
}

// Initialize variables
$newsContent = '';
$editMode = false;
$editId = 0;
$message = '';

<!--  -->
<!-- Database connection failed: SQLSTATE[HY000] [1045] Access denied for user 'your_username'@'localhost' (using password: YES)