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copied!<p>I use CodeIgniter with Smarty. I have an additional function in my Smarty class called notfound(). Calling notfound() sets the correct header location to a 404 page and then displays a 404 template. The template has an overrideable title and message so it's very versatile. Here's some sample code:</p> <pre><code>Smarty.class.php function not_found() { header('HTTP/1.1 404 Not Found'); if (!$this->get_template_vars('page_title')) { $this->assign('page_title', 'Page not found'); } $this->display('not-found.tpl'); exit; } </code></pre> <p>In a controller I can do something like this:</p> <pre><code>$this->load->model('article_model'); $article = $this->article_model->get_latest(); if ($article) { $this->smarty->assign('article', $article); $this->smarty->view('article'); } else { $this->smarty->assign('title', Article not found'); $this->smarty->not_found(); } </code></pre> <p>Likewise, I can change the code in /system/application/error/error_404.php to:</p> <pre><code>$CI =& get_instance(); $CI->cismarty->not_found(); </code></pre> <p>It works great, uses a small amount of code, and doesn't duplicate 404 functionality for different types of missing entities.</p> <p>I think you could do a similar thing with the built-in CodeIgniter views. The important thing is to spit out the header before you do your view stuff.</p> <p>Update: I use a custom Smarty wrapper similar to the one described here:</p> <p><a href="http://devcha.blogspot.com/2007/12/smarty-as-template-engine-in-code.html" rel="nofollow noreferrer">Using Smarty with CodeIgniter</a></p>

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