node_feed
modules/node/node.module, строка 1902
- Версии
- 5
node_feed(
$nodes= 0, $channel = array())- 6
node_feed($nids = FALSE, $channel = array())
A generic function for generating RSS feeds from a set of nodes.
Параметры
$nodes
An object as returned by db_query() which contains the nid field.
$channel
An associative array containing title, link, description and other keys.
The link should be an absolute URL.
Код
<?php
function node_feed($nodes = 0, $channel = array()) {
global $base_url, $locale;
if (!$nodes) {
$nodes = db_query_range(db_rewrite_sql('SELECT n.nid, n.created FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.created DESC'), 0, variable_get('feed_default_items', 10));
}
$item_length = variable_get('feed_item_length', 'teaser');
$namespaces = array('xmlns:dc="http://purl.org/dc/elements/1.1/"');
while ($node = db_fetch_object($nodes)) {
// Load the specified node:
$item = node_load($node->nid);
$link = url("node/$node->nid", NULL, NULL, 1);
if ($item_length != 'title') {
$teaser = ($item_length == 'teaser') ? TRUE : FALSE;
// Filter and prepare node teaser
if (node_hook($item, 'view')) {
$item = node_invoke($item, 'view', $teaser, FALSE);
}
else {
$item = node_prepare($item, $teaser);
}
// Allow modules to change $node->teaser before viewing.
node_invoke_nodeapi($item, 'view', $teaser, FALSE);
}
// Allow modules to add additional item fields and/or modify $item
$extra = node_invoke_nodeapi($item, 'rss item');
$extra = array_merge($extra, array(array('key' => 'pubDate', 'value' => gmdate('r', $item->created)), array('key' => 'dc:creator', 'value' => $item->name), array('key' => 'guid', 'value' => $item->nid .' at '. $base_url, 'attributes' => array('isPermaLink' => 'false'))));
foreach ($extra as $element) {
if ($element['namespace']) {
$namespaces = array_merge($namespaces, $element['namespace']);
}
}
// Prepare the item description
switch ($item_length) {
case 'fulltext':
$item_text = $item->body;
break;
case 'teaser':
$item_text = $item->teaser;
if ($item->readmore) {
$item_text .= '<p>'. l(t('read more'), 'node/'. $item->nid, NULL, NULL, NULL, TRUE) .'</p>';
}
break;
case 'title':
$item_text = '';
break;
}
$items .= format_rss_item($item->title, $link, $item_text, $extra);
}
$channel_defaults = array(
'version' => '2.0',
'title' => variable_get('site_name', 'Drupal') . (variable_get('site_slogan', '') ? ' - '. variable_get('site_slogan', '') : ''),
'link' => $base_url,
'description' => variable_get('site_mission', ''),
'language' => $locale
);
$channel = array_merge($channel_defaults, $channel);
$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
$output .= "<rss version=\"". $channel["version"] ."\" xml:base=\"". $base_url ."\" ". implode(' ', $namespaces) .">\n";
$output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
$output .= "</rss>\n";
drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');
print $output;
}
?>
Войдите или зарегистрируйтесь, чтобы получить возможность отправлять комментарии