comicpress-2.8/functions/relatedcomics.php

73 lines
2.1 KiB
PHP

<?php
/**
* Related comics
* Displays a list of comic links that are related to this current one using shortcode.
*
* Usage: [related_comics]
*
*/
function related_comics_shortcode( $atts = '' ) {
extract(shortcode_atts(array(
'limit' => '5',
), $atts));
global $wpdb, $post, $table_prefix, $category_tree;
if ($post->ID) {
// Get tags
$tags = wp_get_post_tags($post->ID);
$tagsarray = array();
foreach ($tags as $tag) {
$tagsarray[] = $tag->term_id;
}
$tagslist = implode(',', $tagsarray);
if (empty($tagslist)) return;
if (empty($limit)) $limit = 5;
// Do the query
$q = "SELECT p.*, count(tr.object_id) as count
FROM $wpdb->term_taxonomy AS tt, $wpdb->term_relationships AS tr, $wpdb->posts AS p WHERE tt.taxonomy ='post_tag' AND tt.term_taxonomy_id = tr.term_taxonomy_id AND tr.object_id = p.ID AND tt.term_id IN ($tagslist) AND p.ID != $post->ID
AND p.post_status = 'publish'
AND p.post_date_gmt < NOW()
GROUP BY tr.object_id
ORDER BY count DESC, p.post_date_gmt DESC
LIMIT $limit;";
$related = $wpdb->get_results($q);
if ( $related ) {
$retval = '
<div class="related_posts">
'.__('Related Comics &not;','comicpress');
$retval .= '
<ul><li>';
$comic_categories = array();
foreach ($category_tree as $node) {
$comic_categories[] = end(explode("/", $node));
}
$in_comic_cat = 0;
$retval .= '
<table class="month-table">';
foreach($related as $r) :
if (count(array_intersect($comic_categories, wp_get_post_categories($r->ID))) > 0)
$retval .= '
<tr><td class="archive-date" align="right">'.date('M j, Y',strtotime($r->post_date)).'</td><td class="archive-title"><a title="'.wptexturize($r->post_title).'" href="'.get_permalink($r->ID).'">'.wptexturize($r->post_title).'</a></td></tr>';
endforeach;
$retval .= '
</table>';
} else {
$retval .= '
<li>'.__('No related comics found','comicpress').'</li>';
}
$retval .= '
</li></ul>';
$retval .= '
</div>';
return $retval;
}
return;
}
// add_shortcode('related_comics', 'related_comics_shortcode');
?>