Untitled

<?php

$menu_items = [
    'Home' => 'home.php',
    'News' => 'news.php',
    'Login' => 'login.php',
    'Contact' => 'contact.php'
];

foreach($menu_items as $menu_name => $menu_link){
    $active = '';
    $url = basename($_SERVER['PHP_SELF']);
    if($url === $menu_link){
        $active = 'class="active_menu"';
    }
    echo <<<HTML
    <li class="navbar_menu_item"><a href="{$menu_link}" {$active}>{$menu_name}</a></li>
HTML;
}
?>