$stmt = pdo()->prepare("INSERT INTO `freeroll` (`name_turnament`, `prize`, `password`, `data`, `time`, `category_id`, `prize_symbol`, `buyin` , `buyin_symbol`, `category_name`, `category_img`, `category_url`)
SELECT :name_turnament, :prize, :password, .......... и тд, name, img, url FROM category WHERE id = :category_id");
$stmt->execute([
'name_turnament' => $_POST['name_turnament'],
'prize' => $_POST['prize'],
'password' => $_POST['password'],
'data' => $_POST['data'],
'time' => $_POST['time'],
'prize_symbol' => $_POST['symbol'],
'buyin' => $_POST['buyin'],
'buyin_symbol' => $_POST['buyin_symbol'],
'category_id' => $category_id
]);