wp-generate-dynamic-post-types-sub-pages-rewrite-redirections.php

<?php

// Post Type Subpages: Création des redirections
add_action('template_redirect', 'hwk_ptsp_redirect');
function hwk_ptsp_redirect(){
    if( !($post_id = get_the_ID()) || !($post_types = hwk_ptsp_get_post_types()) )
        return;
    
    foreach($post_types as $post_type){
        if(!is_singular($post_type['post_type']))
            continue;
        
        $query_var = false;
        foreach($post_type['pages'] as $page){
            if(get_query_var($page['name'])){
                $query_var = true;
                
                // Si pas de Page Rewrite et Query Var différent de la page OU Page Rewrite activé et Page Meta disponible mais ne correspond pas au Query Var: Redirection
                $has_rewrite = hwk_ptsp_page_has_rewrite($page);
                if( (!$has_rewrite && get_query_var($page['name']) != $page['name']) || ( $has_rewrite && ($slug = get_post_meta($post_id, $post_type['meta_prefix'] . $page['name'], true)) && get_query_var($page['name']) != $slug ) )
                    return wp_redirect(hwk_ptsp_get_sub_permalink($post_id, $page['name']), 301);
            }
            
        }
        
        // Aucune Query Var et le Post Type a une Page Primaire
        if(!$query_var && hwk_ptsp_post_type_has_primary($post_type['post_type']))
            return wp_redirect(get_permalink($post_id), 301);
    }
}