如何在foreach中显示标题和副标题 - PHP

$titles = [
    ['title' => '标题1', 'subtitle' => '副标题1'],
    ['title' => '标题2', 'subtitle' => '副标题2'],
    ['title' => '标题3', 'subtitle' => '副标题3'],
];

foreach ($titles as $item) {
    echo '<h1>' . $item['title'] . '</h1>';
    echo '<h2>' . $item['subtitle'] . '</h2>';
}