WordPress/b2rdf.php

98 lines
3.3 KiB
PHP

<?php /* RDF 1.0 generator, original version by garym@teledyn.com */
$blog = 1; // enter your blog's ID
$doing_rss=1;
header('Content-type: text/xml');
include('blog.header.php');
// Handle Conditional GET
// Get the time of the most recent article
$sql = "SELECT max(post_date) FROM $tableposts";
$maxdate = $wpdb->get_var($sql);
$unixtime = strtotime($maxdate);
// format timestamp for Last-Modified header
$clast = gmdate("D, d M Y H:i:s \G\M\T",$unixtime);
$cetag = md5($last);
$slast = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
$setag = $_SERVER['HTTP_IF_NONE_MATCH'];
// send it in a Last-Modified header
header("Last-Modified: " . $clast);
header("Etag: " . $cetag);
// compare it to aggregator's If-Modified-Since and If-None-Match headers
// if they match, send a 304 and die
// This logic says that if only one header is provided, just use that one,
// but if both headers exist, they *both* must match up with the locally
// generated values.
if (($slast?($slast == $clast):true) && ($setag?($setag == $cetag):true)){
header("HTTP/1.1 304 Not Modified");
echo "\r\n\r\n";
exit;
}
add_filter('the_content', 'trim');
if (!isset($rss_language)) { $rss_language = 'en'; }
?>
<?php echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?".">"; ?>
<!-- generator="wordpress/<?php echo $b2_version ?>" -->
<rdf:RDF
xmlns="http://purl.org/rss/1.0/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
xmlns:admin="http://webns.net/mvcb/"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
>
<channel rdf:about="<?php bloginfo_rss("url") ?>">
<title><?php bloginfo_rss('name') ?></title>
<link><?php bloginfo_rss('url') ?></link>
<description><?php bloginfo_rss('description') ?></description>
<dc:language><?php echo $rss_language ?></dc:language>
<dc:date><?php echo gmdate('Y-m-d\TH:i:s'); ?></dc:date>
<dc:creator><?php echo $admin_email ?></dc:creator>
<admin:generatorAgent rdf:resource="http://wordpress.org/?v=<?php echo $b2_version ?>"/>
<admin:errorReportsTo rdf:resource="mailto:<?php echo $admin_email ?>"/>
<sy:updatePeriod>hourly</sy:updatePeriod>
<sy:updateFrequency>1</sy:updateFrequency>
<sy:updateBase>2000-01-01T12:00+00:00</sy:updateBase>
<items>
<rdf:Seq>
<?php $items_count = 0; foreach ($posts as $post) { start_b2(); ?>
<rdf:li rdf:resource="<?php permalink_single_rss() ?>"/>
<?php $b2_items[] = $row; $items_count++; if (($items_count == $posts_per_rss) && empty($m)) { break; } } ?>
</rdf:Seq>
</items>
</channel>
<?php foreach ($posts as $post) { start_b2(); ?>
<item rdf:about="<?php permalink_single_rss() ?>">
<title><?php the_title_rss() ?></title>
<link><?php permalink_single_rss() ?></link>
<dc:date><?php the_time('Y-m-d\TH:i:s'); ?></dc:date>
<dc:creator><?php the_author() ?> (mailto:<?php the_author_email() ?>)</dc:creator>
<dc:subject><?php the_category_rss() ?></dc:subject>
<?php if ($rss_use_excerpt) {
?>
<description><?php the_excerpt_rss($rss_excerpt_length, 2) ?></description>
<?php
} else { // use content
?>
<description><?php the_content_rss('', 0, '', $rss_excerpt_length, 2) ?></description>
<?php
} // end else use content
?>
<content:encoded><![CDATA[<?php the_content('', 0, '') ?>]]></content:encoded>
</item>
<?php } ?>
</rdf:RDF>