ショートコードで任意の記事ページに関連記事を出す Ads X Bluesky Misskey はてブ 2016.07.13 Code <?php function related_posts_shortcode( $atts ) { extract(shortcode_atts(array( 'limit' => '5', ), $atts)); global $wpdb, $post, $table_prefix; if ($post->ID) { $retval = '<ul>'; $tags = wp_get_post_tags($post->ID); $tagsarray = array(); foreach ($tags as $tag) { $tagsarray[] = $tag->term_id; } $tagslist = implode(',', $tagsarray); $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 ( $related ) { foreach($related as $r) { $retval .= '<li><a title="'.wptexturize($r->post_title).'" href="'.get_permalink($r->ID).'">'.wptexturize($r->post_title).'</a></li>'; } } else { $retval .= ' <li>No related posts found</li>'; } $retval .= '</ul>'; return $retval; } return; } add_shortcode('related', 'related_posts_shortcode'); ?> /*ショートコードで関連記事を出す。以下のように書く*/ [related limit="3"] Screen shot Note Description 記事の任意の場所にタグベースの関連記事を出す。 WordPress Ver. 3.3.1 Via 8 fun & useful shortcode functions for wordpress
