Registering Taxonomies and Post_type - WordPress

functions.php

// Register Custom Post Type
function c4n_new_post_type() {

	$labels = array(
		'name'                => _x( 'Journals', 'Post Type General Name', 'turing_press' ),
		'singular_name'       => _x( 'Journal', 'Post Type Singular Name', 'turing_press' ),
		'menu_name'           => __( 'Journals', 'turing_press' ),
		'parent_item_colon'   => __( 'Parent Journal:', 'turing_press' ),
		'all_items'           => __( 'All Journals', 'turing_press' ),
		'view_item'           => __( 'View Journal', 'turing_press' ),
		'add_new_item'        => __( 'Add New Journal', 'turing_press' ),
		'add_new'             => __( 'Add New', 'turing_press' ),
		'edit_item'           => __( 'Edit Journal', 'turing_press' ),
		'update_item'         => __( 'Update Journal', 'turing_press' ),
		'search_items'        => __( 'Search Journal', 'turing_press' ),
		'not_found'           => __( 'Not found', 'turing_press' ),
		'not_found_in_trash'  => __( 'Not found in Trash', 'turing_press' ),
	);

	// create a new taxonomy like categories in post
	$category_labels = array(
		'name'                       => _x( 'Category', 'Taxonomy General Name', 'turing_press' ),
		'singular_name'              => _x( 'Category', 'Taxonomy Singular Name', 'turing_press' ),
		'menu_name'                  => __( 'Categories', 'turing_press' ),
		'all_items'                  => __( 'All Items', 'turing_press' ),
		'parent_item'                => __( 'Parent Item', 'turing_press' ),
		'parent_item_colon'          => __( 'Parent Item:', 'turing_press' ),
		'new_item_name'              => __( 'New Category', 'turing_press' ),
		'add_new_item'               => __( 'Add New Item', 'turing_press' ),
		'edit_item'                  => __( 'Edit Item', 'turing_press' ),
		'update_item'                => __( 'Update Item', 'turing_press' ),
		'separate_items_with_commas' => __( 'Separate items with commas', 'turing_press' ),
		'search_items'               => __( 'Search Items', 'turing_press' ),
		'add_or_remove_items'        => __( 'Add or remove items', 'turing_press' ),
		'choose_from_most_used'      => __( 'Choose from the most used items', 'turing_press' ),
		'not_found'                  => __( 'Not Found', 'turing_press' ),
	);
	$category_rewrite = array(
		'slug'                       => 'categories',
		'with_front'                 => false, // to not show the category like a base of permalink
		'hierarchical'               => false,
	);
	$category_args = array(
		'labels'                     => $category_labels,
		'hierarchical'               => true,
		'public'                     => true,
		'show_ui'                    => true,
		'show_admin_column'          => true,
		'show_in_nav_menus'          => true,
		'show_tagcloud'              => true,
		'rewrite'                    => $category_rewrite,
	);
	register_taxonomy( 'journal_category', array( 'journal' ), $category_args );


// create a custom taxonomy like category in post

	$edition_labels = array(
		'name'                       => _x( 'Edition', 'Taxonomy General Name', 'turing_press' ),
		'singular_name'              => _x( 'Edition', 'Taxonomy Singular Name', 'turing_press' ),
		'menu_name'                  => __( 'Editions', 'turing_press' ),
		'all_items'                  => __( 'All Items', 'turing_press' ),
		'parent_item'                => __( 'Parent Item', 'turing_press' ),
		'parent_item_colon'          => __( 'Parent Item:', 'turing_press' ),
		'new_item_name'              => __( 'New Edition', 'turing_press' ),
		'add_new_item'               => __( 'Add New Item', 'turing_press' ),
		'edit_item'                  => __( 'Edit Item', 'turing_press' ),
		'update_item'                => __( 'Update Item', 'turing_press' ),
		'separate_items_with_commas' => __( 'Separate items with commas', 'turing_press' ),
		'search_items'               => __( 'Search Items', 'turing_press' ),
		'add_or_remove_items'        => __( 'Add or remove items', 'turing_press' ),
		'choose_from_most_used'      => __( 'Choose from the most used items', 'turing_press' ),
		'not_found'                  => __( 'Not Found', 'turing_press' ),
	);
	$edition_rewrite = array(
		'slug'                       => 'edition',
		'with_front'                 => true,
		'hierarchical'               => false,
	);
	$edition_args = array(
		'labels'                     => $edition_labels,
		'hierarchical'               => true, // beahvior like categories
		'public'                     => true,
		'show_ui'                    => true,
		'show_admin_column'          => true,
		'show_in_nav_menus'          => true,
		'show_tagcloud'              => true,
		'rewrite'                    => $edition_rewrite,
	);
	register_taxonomy( 'journal_edition', array( 'journal' ), $edition_args );


	// continue register post_type
	$args = array(
		'label'               => __( 'journal', 'turing_press' ),
		'description'         => __( 'Posts of Journals', 'turing_press' ),
		'labels'              => $labels,
		'supports'            => array( 'title', 'thumbnail', 'revisions'),
		'taxonomies'          => array( 'journal_category', 'journal_edition' ),
		'hierarchical'        => false,
		'public'              => true,
		'show_ui'             => true,
		'show_in_menu'        => true,
		'show_in_nav_menus'   => true,
		'show_in_admin_bar'   => true,
		'menu_position'       => 5,
		'menu_icon'           => 'dashicons-format-aside',
		'can_export'          => true,
		'has_archive'         => true, // if false, will be removed from the breadcrumbs
		'exclude_from_search' => false,
		'publicly_queryable'  => true,
		'capability_type'     => 'page',
	);
	register_post_type( 'journal', $args );

}