What are some common pitfalls to avoid when implementing a menu system in PHP?

One common pitfall to avoid when implementing a menu system in PHP is hardcoding menu items directly into the HTML markup. Instead, it is recommended to store menu items in an array or database to allow for easier management and scalability.

$menuItems = [
    '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>';