php 产品对比功能

<?php
// 假设有两个产品
$product1 = [
    'name' => 'Product A',
    'price' => 100,
    'rating' => 4.5,
    'features' => ['Feature 1', 'Feature 2']
];

$product2 = [
    'name' => 'Product B',
    'price' => 120,
    'rating' => 4.0,
    'features' => ['Feature 2', 'Feature 3']
];

function compareProducts($product1, $product2) {
    echo "<table border='1'>";
    echo "<tr><th>Attribute</th><th>Product A</th><th>Product B</th></tr>";

    $attributes = ['name', 'price', 'rating', 'features'];
    foreach ($attributes as $attribute) {
        echo "<tr>";
        echo "<td>$attribute</td>";
        echo "<td>" . (isset($product1[$attribute]) ? $product1[$attribute] : 'N/A') . "</td>";
        echo "<td>" . (isset($product2[$attribute]) ? $product2[$attribute] : 'N/A') . "</td>";
        echo "</tr>";
    }

    echo "</table>";
}

compareProducts($product1, $product2);
?>