[Support request] Custom Taxonomy / Slug

[Jan]

Hi David,

I’m using a CPT together with a custom taxonomy (wg_chat_category). The slug currently pointing to the different categories needs to change from /wg_chat_category/ to /hilfe-chat/

old: domain.de/wg_chat_category/general/
new: domain.de/hilfe-chat/general/

This is the PHP that I’m currently using:

if ( ! function_exists( 'wg_chat_category' ) ) {
// Register Custom Taxonomy
function wg_chat_category() {
$labels = array(
	'name'                       => _x( 'Chat Categories', 'Taxonomy General Name', 'wg_chat_category' ),
	'singular_name'              => _x( 'Chat Category', 'Taxonomy Singular Name', 'wg_chat_category' ),
	'menu_name'                  => __( 'Chat Category', 'wg_chat_category' ),
	'all_items'                  => __( 'All Chat Categories', 'wg_chat_category' ),
	'parent_item'                => __( 'Parent Chat Category', 'wg_chat_category' ),
	'parent_item_colon'          => __( 'Parent Chat Category:', 'wg_chat_category' ),
	'new_item_name'              => __( 'New Chat Category Name', 'wg_chat_category' ),
	'add_new_item'               => __( 'Add New Chat Category', 'wg_chat_category' ),
	'edit_item'                  => __( 'Edit Chat Category', 'wg_chat_category' ),
	'update_item'                => __( 'Update Chat Category', 'wg_chat_category' ),
	'view_item'                  => __( 'View Chat Category', 'wg_chat_category' ),
	'separate_items_with_commas' => __( 'Separate Chat Categories with commas', 'wg_chat_category' ),
	'add_or_remove_items'        => __( 'Add or remove Chat Categories', 'wg_chat_category' ),
	'choose_from_most_used'      => __( 'Choose from the most used', 'wg_chat_category' ),
	'popular_items'              => __( 'Popular Chat Categories', 'wg_chat_category' ),
	'search_items'               => __( 'Search Chat Category', 'wg_chat_category' ),
	'not_found'                  => __( 'Not Found', 'wg_chat_category' ),
	'no_terms'                   => __( 'No Chat Categories', 'wg_chat_category' ),
	'items_list'                 => __( 'Chat Category list', 'wg_chat_category' ),
	'items_list_navigation'      => __( 'Chat Category list navigation', 'wg_chat_category' ),
);
$args = array(
	'labels'                     => $labels,
	'hierarchical'               => true,
	'public'                     => true,
	'show_ui'                    => true,
	'show_admin_column'          => true,
	'show_in_nav_menus'          => true,
	'show_in_rest'               => true,
	'show_tagcloud'              => false,
);
register_taxonomy( 'wg_chat_category', array( 'wg_seo_chat' ), $args );
		}
	add_action( 'init', 'wg_chat_category', 0 );
		}

How would you modify the PHP to change the slug?

Any advice is much appreciated.

Thanks,
Jan

[Fernando]

Hi Jan,

What permalink structure do you have in Settings > Permalinks?

[Jan]

Hi Fernando,

the link structure is set to: /%category%/%postname%/

Best,
Jan

[Leo]

Hi Jan,

Any chance you can check with WP’s support team first as this isn’t a theme-related question?

Please refer to this guideline:
https://generatepress.com/what-support-includes/

Alternatively, you can try posting the question in a WP general forum like this one:
https://wordpress.stackexchange.com/

Thanks for your understanding 🙂

[Jan]

Hi Leo,

meanwhile I was able to dig out this valuable resource that provides a solution to the problem. I’m sharing this as others may find this useful also.

The rewrite of the slugs is now working well 😉

What I’m struggling with is the slug of the CPT Archive page. The standard slug is hilfe-chat. When I use…

$rewrite = array(
	'slug'                  => 'hilfe-chat',

…the CPT Archive page come up, but the Category Archives don’t (404).

For testing purpose I added an “s” to the slug in the PHP…

$rewrite = array(
	'slug'                  => 'hilfe-chats',

As a result the Category Archives work well but the CPT Archive throws throws an 404 error.

Any thoughts on how to resolve this conflict?

Thanks, Jan

— Full copy of the PHP —

if ( ! function_exists('wg_seo_chat') ) {
	// Register Custom Post Type
	function wg_seo_chat() {
	$labels = array(
			'name'                  => _x( 'Chats', 'Post Type General Name', 'wg_seo_chat' ),
			'singular_name'         => _x( 'Chat', 'Post Type Singular Name', 'wg_seo_chat' ),
			'menu_name'             => __( 'Chat', 'wg_seo_chat' ),
			'name_admin_bar'        => __( 'Chat', 'wg_seo_chat' ),
			'archives'              => __( 'Chat Archives', 'wg_seo_chat' ),
			'attributes'            => __( 'Chat Attributes', 'wg_seo_chat' ),
			'parent_item_colon'     => __( 'Parent Chat:', 'wg_seo_chat' ),
			'all_items'             => __( 'All Chats', 'wg_seo_chat' ),
			'add_new_item'          => __( 'Add New Chat', 'wg_seo_chat' ),
			'add_new'               => __( 'Add New', 'wg_seo_chat' ),
			'new_item'              => __( 'New Chat', 'wg_seo_chat' ),
			'edit_item'             => __( 'Edit Chat', 'wg_seo_chat' ),
			'update_item'           => __( 'Update Chat', 'wg_seo_chat' ),
			'view_item'             => __( 'View Chat', 'wg_seo_chat' ),
			'view_items'            => __( 'View Chats', 'wg_seo_chat' ),
			'search_items'          => __( 'Search Chat', 'wg_seo_chat' ),
			'not_found'             => __( 'Not found', 'wg_seo_chat' ),
			'not_found_in_trash'    => __( 'Not found in Trash', 'wg_seo_chat' ),
			'featured_image'        => __( 'Featured Image', 'wg_seo_chat' ),
			'set_featured_image'    => __( 'Set featured image', 'wg_seo_chat' ),
			'remove_featured_image' => __( 'Remove featured image', 'wg_seo_chat' ),
			'use_featured_image'    => __( 'Use as featured image', 'wg_seo_chat' ),
			'insert_into_item'      => __( 'Insert into Chat', 'wg_seo_chat' ),
			'uploaded_to_this_item' => __( 'Uploaded to this Chat', 'wg_seo_chat' ),
			'items_list'            => __( 'Chat list', 'wg_seo_chat' ),
			'items_list_navigation' => __( 'Chat list navigation', 'wg_seo_chat' ),
			'filter_items_list'     => __( 'Filter Chat list', 'wg_seo_chat' ),
		);
		$rewrite = array(
			'slug'                  => 'hilfe-chats',
			'with_front'            => true,
			'pages'                 => true,
			'feeds'                 => true,
	
		);
		$args = array(
			'label'                 => __( 'Chat', 'wg_seo_chat' ),
			'taxonomies' 			=> array('wg_chat_category'),
			'description'           => __( 'Shares answers for user questions about SEO', 'wg_seo_chat' ),
			'labels'                => $labels,
			'supports'              => array( 'title', 'editor', 'thumbnail', 'comments', 'revisions', 'custom-fields', 'page-attributes', 'post-formats', 'excerpt' ),
			'hierarchical'          => true,
			'public'                => true,
			'show_ui'               => true,
			'show_in_menu'          => true,
			'menu_position'         => 5,
			'menu_icon'             => 'dashicons-format-chat',
			'show_in_admin_bar'     => true,
			'show_in_nav_menus'     => true,
			'show_in_rest'          => true,
			'can_export'            => true,
			'has_archive'           => true,
			'exclude_from_search'   => false,
			'publicly_queryable'    => true,
			'rewrite'               => $rewrite,
			'capability_type'       => 'page',
		);
		register_post_type( 'wg_seo_chat', $args );
	}
	add_action( 'init', 'wg_seo_chat', 0 );
	}
	

	if ( ! function_exists( 'wg_chat_category' ) ) {
		// Register Custom Taxonomy
		function wg_chat_category() {
		$labels = array(
				'name'                       => _x( 'Chat Categories', 'Taxonomy General Name', 'wg_chat_category' ),
				'singular_name'              => _x( 'Chat Category', 'Taxonomy Singular Name', 'wg_chat_category' ),
				'menu_name'                  => __( 'Chat Category', 'wg_chat_category' ),
				'all_items'                  => __( 'All Chat Categories', 'wg_chat_category' ),
				'parent_item'                => __( 'Parent Chat Category', 'wg_chat_category' ),
				'parent_item_colon'          => __( 'Parent Chat Category:', 'wg_chat_category' ),
				'new_item_name'              => __( 'New Chat Category Name', 'wg_chat_category' ),
				'add_new_item'               => __( 'Add New Chat Category', 'wg_chat_category' ),
				'edit_item'                  => __( 'Edit Chat Category', 'wg_chat_category' ),
				'update_item'                => __( 'Update Chat Category', 'wg_chat_category' ),
				'view_item'                  => __( 'View Chat Category', 'wg_chat_category' ),
				'separate_items_with_commas' => __( 'Separate Chat Categories with commas', 'wg_chat_category' ),
				'add_or_remove_items'        => __( 'Add or remove Chat Categories', 'wg_chat_category' ),
				'choose_from_most_used'      => __( 'Choose from the most used', 'wg_chat_category' ),
				'popular_items'              => __( 'Popular Chat Categories', 'wg_chat_category' ),
				'search_items'               => __( 'Search Chat Category', 'wg_chat_category' ),
				'not_found'                  => __( 'Not Found', 'wg_chat_category' ),
				'no_terms'                   => __( 'No Chat Categories', 'wg_chat_category' ),
				'items_list'                 => __( 'Chat Category list', 'wg_chat_category' ),
				'items_list_navigation'      => __( 'Chat Category list navigation', 'wg_chat_category' ),
			);
			$args = array(
				'labels'                     => $labels,
				'hierarchical'               => true,
				'public'                     => true,
				'show_ui'                    => true,
				'show_admin_column'          => true,
				'show_in_nav_menus'          => true,
				'show_in_rest'               => true,
				'show_tagcloud'              => true,
				'rewrite'                    => array('slug' => 'hilfe-chat')
			);
			register_taxonomy( 'wg_chat_category', array( 'wg_seo_chat' ), $args );
		}
		add_action( 'init', 'wg_chat_category', 0 );
		}

		/** Rewrite rule to handle third level slug */

		function chat_cpt_generating_rule($wp_rewrite) {
			$rules = array();
			$terms = get_terms( array(
				'taxonomy' => 'wg_chat_category',
				'hide_empty' => false,
			) );
		   
			$post_type = 'wg_seo_chat';
		
			foreach ($terms as $term) {    
						
				$rules['hilfe-chat/' . $term->slug . '/([^/]*)$'] = 'index.php?post_type=' . $post_type. '&wg_seo_chat=$matches[1]&name=$matches[1]';
								
			}
		
			// merge with global rules
			$wp_rewrite->rules = $rules + $wp_rewrite->rules;
		}
		add_filter('generate_rewrite_rules', 'chat_cpt_generating_rule');

		/** Inject the chat category into the CPT Link */

		function change_link( $permalink, $post ) {
    
			if( $post->post_type == 'wg_seo_chat' ) {
				$chat_terms = get_the_terms( $post, 'wg_chat_category' );
				$term_slug = '';
				if( ! empty( $chat_terms ) ) {
					foreach ( $chat_terms as $term ) {
		
						// The featured chat will have another category which is the main one
						if( $term->slug == 'featured' ) {
							continue;
						}
		
						$term_slug = $term->slug;
						break;
					}
				}
				$permalink = get_home_url() ."/hilfe-chat/" . $term_slug . '/' . $post->post_name;
			}
			return $permalink;
		
		}
		add_filter('post_type_link',"change_link",10,2);

[Ying]

Hi Jan,

I would also suggest posting it in WP’s support forum as it’s not theme related.

And if you are not familiar with code, I would recommend using a plugin eg. Custom Post Type UI to create your CPT.

[Jan]

Hi David,

…we are probably looking at another pine of beer at the next Octoberfest for you because my next iteration did not bring the desired solution ;-/

I did follow Yings advice and found this solution.

Their advise is to add…

'has_archive' => 'hilfe-chat',

…to the rewrite rule.

I did just that and flushed the rewrite rules, but the conflict is still there.

$rewrite = array(
	'slug'                  => 'hilfe-chats',
	'has_archive' 		=> 'hilfe-chat',

Any thoughts from the expert is much appropriate by the brand new life-time GPP subscriber 😉

Best,
Jan

[Author]

Posts