What are common pitfalls to avoid when defining Doctype and Encoding in PHP?

Common pitfalls to avoid when defining Doctype and Encoding in PHP include not specifying them correctly, which can lead to rendering issues or character encoding problems. To ensure proper display and encoding, always define the correct Doctype and Encoding at the beginning of your PHP files.

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Your Page Title</title>
</head>
<body>

<?php
// Your PHP code here
?>

</body>
</html>