What role does the doctype declaration play in PHP scripts within HTML files?

The doctype declaration in PHP scripts within HTML files specifies the version of HTML being used and helps browsers render the page correctly. It is important to include the correct doctype declaration at the beginning of the HTML file to ensure proper rendering and compatibility across different browsers. 

<!DOCTYPE html>
<html>
<head>
    <title>My PHP Page</title>
</head>
<body>
    <?php
        // PHP code here
    ?>
</body>
</html>

Keywords

doctype declaration PHP scripts HTML files role syntax

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