<?php
    $clientip = $_SERVER['REMOTE_ADDR'];
    $serverip = $_SERVER['SERVER_ADDR'];
?>

<header>
    <div class="jumbotron bg-dark border-bottom border-secondary text-white">
    <h1><?php echo $site_name ?></h1>
    <?php
        if($isConvo){
            $saying = $convo[rand(0,count($convo)-1)];
            echo '<p>' . $clientip . $saying . $serverip . '</p>';
        }
        
        if($isNav){
            echo '<nav class="navbar navbar-expand-lg 
                navbar-dark border border-secondary">';
            echo '<ul class="nav navbar-nav">';
            foreach($nav_names as $index=>$name){
                echo '<li class="navbar-brand"><a href="' 
                    . $nav_links[$index] . '">'
                    . $name . '</a></li>';
            }
            echo '</ul>';
            echo '</nav>';
        }
    ?>
    </div>
</header>