php作品怎么展示

<?php
// 连接数据库
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 查询产品数据
$sql = "SELECT id, title, image_url FROM products";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // 输出数据
    while($row = $result->fetch_assoc()) {
        echo "<div>";
        echo "<h2>" . $row["title"] . "</h2>";
        echo "<img src='" . $row["image_url"] . "' alt='" . $row["title"] . "'>";
        echo "</div>";
    }
} else {
    echo "0 结果";
}
$conn->close();
?>