显示来自sql数据库的记录order by date newest PHP

<?php
$servername = "数据库服务器名称";
$username = "用户名";
$password = "密码";
$dbname = "数据库名称";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接是否成功
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}
?>

<?php
$sql = "SELECT * FROM 表名 ORDER BY date_column DESC";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // 输出数据
    while($row = $result->fetch_assoc()) {
        echo "ID: " . $row["id"]. " - 日期: " . $row["date_column"]. "<br>";
    }
} else {
    echo "没有结果";
}
?>

<?php
$conn->close();
?>