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Views, Partials and Layouts
Nathan edited this page Jan 6, 2015
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When creating HTML files I prefer to use PHP's templating syntax: Instead of writing <?php echo $this->pageTitle; ?>, you can write <?= $this->pageTitle; ?> instead. Another point to remember is when echoing data, you should always escape it.
layouts/default.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title><?= $this->escape($this->pageTitle); ?></title>
</head>
<body>
<header><h1>My Awesome Site</h1></header>
<section role="main">
<?= $this->yieldView(); ?>
</section>
<footer><small>Copyright © <?= date('Y') ?>, My Awesome Site</small></footer>
</body>
</html>And below is our view file.
views/home.php
<p>Hello World!</p>Finally, let's piece everything together.
bootstrap.php
<?php
// all requests are redirected to this file.
// use your .htaccess file to set this up.
error_reporting(-1);
require_once 'klein.php/vendor/autoload.php';
$klein = new Klein\Klein;
// First, let's setup the layout our site will use. By passing
// an anonymous function in Klein will respond to all methods/URI's.
$klein->respond(function ($request, $response, $service) {
$service->layout('layouts/default.php');
});
// Home page view
$klein->respond('/', function ($request, $response, $service) {
// add some data to the view.
$service->pageTitle = 'Home page';
// This is the function that renders the view inside the layout.
$service->render('views/home.php');
});
$klein->dispatch();And that's it!
Partials are individual snippets of HTML/PHP. Adding a partial is easy.
Let's take the above example and turn the header and footer into a partial.
layouts/default.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title><?= $this->pageTitle; ?></title>
</head>
<body>
<?= $this->partial('partials/header.php'); ?>
<section role="main">
<?= $this->yieldView(); ?>
</section>
<?= $this->partial('partials/footer.php'); ?>
</body>
</html>The header.php partial will now contain the following HTML:
<header><h1>My Awesome Site</h1></header>And in the footer.php partial:
<footer><small>Copyright © <?= date('Y') ?>, My Awesome Site</small></footer>