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Templating with Twig

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Adding a Second Page

3:23 with Alena Holligan

We'll use Twig's extends tag to create a second page for our site. We will also set up some simple routing to control which page should be shown.

Simple routing:

$path = $_SERVER['REQUEST_URI'];
if ($path == '/contact') {
    $nav['contact']['status'] = 'active';
    echo $twig->render('contact.twig', array('navigation'=>$nav, 'a_variable' => 'Hello World!', 'page' => $path, 'form' => $_POST));
} else {
    $nav['contact']['status'] = 'active';
    echo $twig->render('home.twig', array('navigation'=>$nav, 'a_variable' => 'Hello World!', 'page' => $path));
}

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    I don't want to make any other changes to my header, so 0:00
    I'm just going to ignore the headblock. 0:03
    Now I'm ready to add the main content. 0:05
    For now, we're just going to add an h1 header to the page. 0:08
    block content. 0:13
    <h1> Contact Us. 0:19
    And we'll end the block. 0:26
    We need to tell our index.html file when to call the home versus the contact page. 0:30
    But first we need to make sure that our server will know to 0:37
    use index.php as our controller. 0:41
    Check the notes for the htaccess file that you'll need. 0:44
    It was included with the downloads. 0:48
    We'll put it into our public folder. 0:52
    And make sure that this is named .htaccess. 0:57
    There are some great routing packages that you can use. 1:03
    And if you're using a framework, it will include routing. 1:06
    Since that's not the focus of this course, 1:10
    I'm gonna set up some simple routing myself in the index.php file. 1:13
    After I describe my navigation, I'm gonna check the request URI. 1:19
    This will tell me which page I will show. 1:24
    i'm gonna use a condition, if, and then I'll use a substring. 1:26
    And I'll check my server. 1:33
    REQUEST_URI. 1:38
    I'm going to start with the first character and grab the first 8 characters. 1:42
    I'm going to then compare that to /contact. 1:49
    This isn't the most robust conditional, which is why there are packages. 2:05
    But it will work for our example and allow for a query string. 2:09
    I'm going to duplicate this render line, And then I'm going to add an else. 2:13
    Now I can tell my contact route to use my contact.twig file. 2:26
    Finally, I want the navigation to have the correct status. 2:34
    I'm going to change the default for both items to false. 2:39
    And then within my routing, I'm going to say, 2:44
    $nav['contact'] ['status'] = 'active'. 2:51
    And then in home, 2:59
    $nav['home']['status'] = 3:02
    'active'. 3:10
    Now we're ready to try our new page. 3:12
    Now we can navigate between contact and welcome. 3:16
    We're ready to display a form. 3:21

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