What are the advantages of using PHP for navigation menus on websites?

When creating navigation menus on websites, using PHP can offer several advantages. PHP allows for dynamic menus that can be easily updated across all pages by making changes in a single file. It also enables the use of conditional statements to show or hide menu items based on certain criteria, such as user roles or login status. Additionally, PHP can help in organizing and structuring the menu code, making it easier to maintain and modify in the future. 

<?php
$menuItems = array(
    'Home' => 'index.php',
    'About' => 'about.php',
    'Services' => 'services.php',
    'Contact' => 'contact.php'
);

echo '<ul>';
foreach($menuItems as $label => $link) {
    echo '<li><a href="' . $link . '">' . $label . '</a></li>';
}
echo '</ul>';
?>

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