What are the advantages and disadvantages of using PHP includes for headers and footers in web development?

Using PHP includes for headers and footers in web development can help maintain consistency across multiple pages by allowing you to update these elements in one place. This can save time and effort in managing the design and layout of your website. However, using PHP includes can also introduce security risks if not implemented correctly, such as allowing for potential code injection attacks. 

<?php include 'header.php'; ?>
<!-- Your page content here -->
<?php include 'footer.php'; ?>

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