How can PHP be used to dynamically highlight selected links in a menu without duplication?

To dynamically highlight selected links in a menu without duplication, you can use PHP to compare the current page URL with the URL of each menu item. If they match, you can add a CSS class to highlight the selected link. This can be achieved by looping through the menu items and checking if the URLs match. 

<?php
$current_url = $_SERVER['REQUEST_URI'];

$menu_items = array(
    array('url' => '/page1.php', 'label' => 'Page 1'),
    array('url' => '/page2.php', 'label' => 'Page 2'),
    array('url' => '/page3.php', 'label' => 'Page 3')
);

foreach($menu_items as $item) {
    $class = ($item['url'] == $current_url) ? 'active' : '';
    echo '<a href="' . $item['url'] . '" class="' . $class . '">' . $item['label'] . '</a>';
}
?>

Keywords

PHP dynamic highlighting selected links menu duplication

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