Created
November 24, 2012 15:01
Revisions
-
stephenharris created this gist
Nov 24, 2012 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,62 @@ /** * First attempt at sorting posts by 'relevancy' based on how much overlap there with respect to terms in a taxonomy * * Usage: $posts = sh_get_related_by(1,'post_tag'); */ function sh_get_related_by( $post_id, $tax, $args=array() ){ $terms = get_the_terms(1,$tax); if( !$terms ) return false; $terms = wp_list_pluck($terms, 'term_id'); $args = wp_parse_args(array( 'suppress_filters'=>false, 'tax_query'=>array( array( 'taxonomy' => $tax, 'field' => 'id', 'terms' => $terms, ), ), 'post__not_in'=> array($post_id) ), $args); add_filter('posts_fields', 'sh_related_field',10,2); add_filter('posts_orderby', 'sh_related_orderby',10,2); return get_posts($args); } function sh_related_field( $w, $q ){ remove_filter(current_filter(),__FUNCTION__); return $w. ', COUNT( wp_term_relationships.object_id) AS r'; } function sh_related_orderby( $w, $q ){ remove_filter(current_filter(),__FUNCTION__); return 'r '.$q->get('order'); } /* Example */ $posts = sh_get_related_by(1,'post_tag'); printf('<table style="border:1px solid black"> <tr > <td style="padding:5px;border:1px solid black">%s</td> <td style="border:1px solid black">%s</td> <td style="border:1px solid black">%s</td> </tr>', 'Title','Terms','Relevancy'); foreach( $posts as $_post){ printf('<tr> <td style="padding:5px;border:1px solid black">%s</td> <td style="border:1px solid black">%s</td> <td style="border:1px solid black">%s</td> </tr>', get_the_title($_post->ID), get_the_term_list( $_post->ID, 'post_tag', '', ', ', '' ), $_post->r ); } echo '</table>'; echo '<hr>';