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1. 

   Danieliser
   Member

   I Have posted this in several places but the wp forums take weeks sometimes to get responses.

   I am trying to get my custom taxonomies to operate like post categories, with permalinks like
   /post-type/tax-term/tax-term-child/tax-term-grandchild/post-name/

   ive got a function hooked into post_type_links that gives my links this structure. here it is

   add_filter('post_type_link', 'product_permalink', 10, 3);
   function product_permalink($permalink, $post_id, $leavename) {
   	if (strpos($permalink, '%res_brands%') === FALSE) return $permalink;
   
           // Get post
           $post = get_post($post_id);
           if (!$post) return $permalink;
   
           // Get taxonomy terms
           $terms = wp_get_object_terms($post->ID, 'resbrands');
   		if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) {
   			$term_count = count($terms);
   			$i=1;
   			if($term_count > 1){
   				foreach( $terms as $term ) {
   					if (!empty($term) && is_object($term)) $taxonomy_slug .= $term->slug;
   					if($i < $term_count) $taxonomy_slug .= '/';
   					$i++;
   				}
   			} else {
   				$taxonomy_slug = $terms[0]->slug;
   			}
   		}
           //else $taxonomy_slug = 'not-rated';
   
   	return str_replace('%res_brands%', $taxonomy_slug, $permalink);
   }

   where my trouble lies is that the links lead to 404s due to the fact that %res_brands% could be parent/child/grandchild and it only recognizes 1 im assuiming, this is where i need help.

   im using
   

   global $wp_rewrite;
   $wp_rewrite->add_rewrite_tag("%res_brands%", '([^/]+)', "resbrands=");

   and assuming that i could just change the ([^/]+) to something that only recognizes the last /grandchild or /child if no grandchild. does it work like a preg_replace? can i echo out multiple values into an array exploding at the /? any ideas would be helpful. Thanks

   Posted 2 years ago #
2. 

   Danieliser
   Member

   If anybody else wants parent/child category style links for custom post types and taxonomies this is what ive got working, probably not perfect but is working and not returning 404s.

   add_filter('post_link', 'res_brands_permalink', 10, 3);
   add_filter('post_type_link', 'res_brands_permalink', 10, 3);
   
   function res_brands_permalink($permalink, $post_id, $leavename) {
   	if (strpos($permalink, '%res_brands%') === FALSE) return $permalink;
   
           // Get post
           $post = get_post($post_id);
           if (!$post) return $permalink;
   
           // Get taxonomy terms
           $terms = wp_get_object_terms($post->ID, 'resbrands', array('orderby' => 'count', 'order' => 'DESC'));
   		$count = count($terms);
   		if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) {
   			$taxonomy_slug = $terms[0]->slug;
   			return str_replace('%res_brands%', $taxonomy_slug, $permalink);
   		} else
   			return str_replace('/%res_brands%', '', $permalink);
   
   }
   
   add_filter('post_link', 'res_brands_child_permalink', 10, 3);
   add_filter('post_type_link', 'res_brands_child_permalink', 10, 3);
   
   function res_brands_child_permalink($permalink, $post_id, $leavename) {
   	if (strpos($permalink, '%res_brands_child%') === FALSE) return $permalink;
   
           // Get post
           $post = get_post($post_id);
           if (!$post) return $permalink;
   
           // Get taxonomy terms
           $terms = wp_get_object_terms($post->ID, 'resbrands', array('orderby' => 'count', 'order' => 'ASC'));
   		$count = count($terms);
   		if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) {
   			$taxonomy_slug = $terms[0]->slug;
   			return str_replace('%res_brands_child%', $taxonomy_slug, $permalink);
   		} else
   			return str_replace('/%res_brands_child%', '', $permalink);
   
   }

   and my post type & rewrite rules

   register_post_type( 
   
   'residential',
   array(
        'public' => true,
        'rewrite' => true,
        'query_var' => 'residential'
        )
   );
   global $wp_rewrite;
   $wp_rewrite->add_rewrite_tag("%residential%", '([^/]+)', 'residential=');
   $wp_rewrite->add_rewrite_tag("%res_brands%", '([^/]+)', 'resbrands=');
   $wp_rewrite->add_rewrite_tag("%res_brands_child%", '([^/]+)', 'resbrands=');
   $wp_rewrite->add_permastruct('residential', "products/residential/%res_brands%/%res_brands_child%/%residential%/", $with_front = true);

   This gives links of /post-type/tax-term/tax-term-child/post-name

   I will be doing a full write up on my blog soon.

   Posted 2 years ago #
3. 

   papogator
   Member

   Hey nice work. I had have similar code to do what you've descdribed. But you have an issue in your child function. Add this foreach and it should work fine:

   <i> In function res_brands_child_permalink($permalink, $post_id, $leavename) </i>

   
foreach($terms as $term):
if (!is_wp_error($terms) && !empty($terms) && is_object($term)) {
$taxonomy_slug = $term->slug;
$rval = str_replace('%product_cat_child%', $taxonomy_slug, $permalink);
} else {
$rval = str_replace('/%product_cat_child%', '', $permalink);
}
endforeach;


   Posted 1 year ago #
4. 

   papogator
   Member

   One more thing, return $rval at end (just a personal preference)

   Posted 1 year ago #

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