How can incorrect HTML syntax impact the functionality of PHP scripts?

Incorrect HTML syntax can impact the functionality of PHP scripts by causing unexpected behavior or errors in the output. This can happen when HTML tags are not properly closed or nested, leading to parsing issues that affect the execution of PHP code. To solve this issue, ensure that the HTML syntax is correct and valid to prevent any interference with the PHP script.

<!DOCTYPE html>
<html>
<head>
    <title>Correct HTML Syntax Example</title>
</head>
<body>
    <?php
        // PHP code here
        echo "Hello, World!";
    ?>
</body>
</html>