Custom Post Type and Taxonomy Permalink Rewrite in WordPress 3.0.1

I have a ‘story’ Custom Post Type and ‘artist’, writer’ Taxonomies.

I need to set rewrite rules in the functions.php for the permalinks to look like this:

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Artist (Taxonomy/Category):
http://www.example.com/isaac-deutscher
(/%artist%)

Writer (Taxonomy/Category):
http://www.example.com/jean-paul-sartre
(/%writer%)

Story (Custom Post Type):
http://www.example.com/issac-deutscher/jean-paul-sartre/the-cat-is-under-the-table
(/%artist%/%writer%/%story%)

I have tried some code I found in blogs without success, and can’t figure out how to solve this.

I’m working in WordPress 3.0.1

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1 comment

  1. This does the trick for Story and Artist, but not for Writer:

    add_action('init', 'custom_init');
    add_filter('post_type_link', 'story_permalink', 10, 3);
    
    function custom_init(){  
        $story = array(  
        'query_var' => true,
        'rewrite' => false,
        );
        $artist = array(
        'query_var' => true,
        'rewrite' => true
        );
        $writer = array(
            'query_var' => true,
            'rewrite' => true
        );  
    
        register_post_type('story', $story);
        register_taxonomy('artist', 'story', $artist);
        register_taxonomy('writer', 'story', $writer);
    
        global $wp_rewrite;
        $story_structure = '/%artist%/%writer%/%story%';
        $wp_rewrite->add_rewrite_tag("%story%", '([^/]+)', "story=");
        $wp_rewrite->add_permastruct('story', $story_structure, false);
    }
    
    function story_permalink($permalink, $post_id, $leavename){
        $post = get_post($post_id);
    
        $rewritecode = array(
        '%artist%',
        '%writer%',
        $leavename? '' : '%postname%',
        $leavename? '' : '%pagename%',
        );
    
        if('' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft'))){
    
            if (strpos($permalink, '%artist%') !== FALSE){
            $terms = wp_get_object_terms($post->ID, 'artist');  
            if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) $artist = $terms[0]->slug;
            else $artist = 'unassigned-artist';         
            }
    
        if (strpos($permalink, '%writer%') !== FALSE){
            $terms = wp_get_object_terms($post->ID, 'writer');  
            if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) $writer = $terms[0]->slug;
            else $writer = 'unassigned-writer';         
        }           
    
        $rewritereplace = array(
            $artist,
            $writer,
            $post->post_name,
            $post->post_name,
        );
        $permalink = str_replace($rewritecode, $rewritereplace, $permalink);
        }
        else{
        }
        return $permalink;
    }
    

    Hope it helps.