What improvements can be made to the PHP code provided to enhance performance and readability, especially in terms of separating HTML and PHP output?

The issue with the provided PHP code is that it mixes HTML and PHP output within the same block of code, which can make it harder to read and maintain. To enhance performance and readability, it's recommended to separate the HTML markup from the PHP logic by using alternative syntax or output buffering techniques. 

<?php
// Separate HTML markup from PHP logic using alternative syntax
?>
<!DOCTYPE html>
<html>
<head>
    <title>Example Page</title>
</head>
<body>
    <h1>Welcome <?php echo $username; ?></h1>
    <p>Your email address is: <?php echo $email; ?></p>
</body>
</html>

Keywords

PHP performance optimization code refactoring separation of concerns output buffering

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