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RSS Feed with CodeIgniter + Twig
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rss.xml: | |
<?xml version="1.0"?> | |
<rss version="2.0"> | |
<channel> | |
<title>your title</title> | |
<link>http://www.example.com/</link> | |
<description>your description</description> | |
<language>en-us</language> | |
<lastBuildDate>{{updated}}</lastBuildDate> | |
{% for post in posts %} | |
<item> | |
<title>{{post.title}}</title> | |
<author>David Wong</author> | |
<pubDate>{{post.date}}</pubDate> | |
<link>{{post.url}}</link> | |
<comments>{{post.url}}#comments</comments> | |
<description> | |
<![CDATA[ | |
{{post.text|nl2br}} | |
]]> | |
</description> | |
</item> | |
{% endfor %} | |
</channel> | |
</rss> | |
in a controller: | |
public function feed(){ | |
// load | |
$this->load->helper('url'); | |
// get posts | |
$this->db->order_by('id', 'desc'); | |
$query = $this->db->get('posts', 20); | |
$posts = $query->result(); | |
// format | |
foreach ($posts as $post) | |
{ | |
$web = url_title($post->title, '-', TRUE); | |
$post->url = 'http://www.example.com/article/'.$post->id.'/'.$web.'/'; | |
$post->date = date('r', strtotime($post->date)); | |
} | |
$data = array( | |
'updated' => $posts[0]->date, | |
'posts' => $posts | |
); | |
// output cached | |
$output = $this->twig->render('rss.xml', $data); | |
$this->output->set_output($output); | |
$this->output->cache(60); // 1 hour | |
} |
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