How can PHP developers update their HTML code to be more modern and compliant with current standards?

To update HTML code to be more modern and compliant with current standards, PHP developers can use HTML5 elements, CSS for styling, and JavaScript for interactivity. They should also ensure their code is responsive and accessible to all users.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Modern HTML</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<header>
<h1>Welcome to our website</h1>
<nav>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Services</a></li>
<li><a href="#">Contact</a></li>
</ul>
</nav>
</header>
<main>
<section>
<h2>About Us</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
</section>
<section>
<h2>Our Services</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
</section>
</main>
<footer>
<p>© 2022 Company Name. All rights reserved.</p>
</footer>
<script src="scripts.js"></script>
</body>
</html>