Một siêu phẩm Post Type & Taxonomy same slug issue (ok)

https://stackoverflow.com/questions/25202118/post-type-taxonomy-same-slug-issue

add_action('init', 'foo_articles');
function foo_articles() {
  $labels = array(
    'name'               => _x('Foo Articles', 'post type general name', 'your-plugin-textdomain'),
    'singular_name'      => _x('Foo Articles', 'post type singular name', 'your-plugin-textdomain'),
    'menu_name'          => _x('Foo Articles', 'admin menu', 'your-plugin-textdomain'),
    'name_admin_bar'     => _x('My Slug', 'add new on admin bar', 'your-plugin-textdomain'),
    'add_new'            => _x('Add New', 'book', 'your-plugin-textdomain'),
    'add_new_item'       => __('Add New Book', 'your-plugin-textdomain'),
    'new_item'           => __('New Book', 'your-plugin-textdomain'),
    'edit_item'          => __('Edit Book', 'your-plugin-textdomain'),
    'view_item'          => __('View Book', 'your-plugin-textdomain'),
    'all_items'          => __('All Books', 'your-plugin-textdomain'),
    'search_items'       => __('Search Books', 'your-plugin-textdomain'),
    'parent_item_colon'  => __('Parent Books:', 'your-plugin-textdomain'),
    'not_found'          => __('No books found.', 'your-plugin-textdomain'),
    'not_found_in_trash' => __('No books found in Trash.', 'your-plugin-textdomain'),
  );
  $args = array(
    'labels'             => $labels,
    'description'        => __('Description.', 'your-plugin-textdomain'),
    'public'             => true,
    'publicly_queryable' => true,
    'show_ui'            => true,
    'show_in_menu'       => true,
    'query_var'          => true,
    'has_archive'        => true,
    'rewrite'            => array('slug' => 'my_slug','with_front'=>true),
    'hierarchical'       => true,
    'menu_position'      => null,
    'show_in_rest'       => true,
    'rest_base'          => 'my_slug',
    'supports'           => array('title', 'editor', 'author', 'thumbnail', 'excerpt', 'comments','page-attributes'),
  );
  register_post_type('my_slug', $args);
  flush_rewrite_rules(true);
}
add_action('init', 'my_book_taxonomy');
function my_book_taxonomy() {
  $labels = array(
    'name'              => _x('Foo Taxonomy', 'taxonomy general name'),
    'singular_name'     => _x('Foo Taxonomy', 'taxonomy singular name'),
    'search_items'      => __('Search Genres'),
    'all_items'         => __('All Genres'),
    'parent_item'       => __('Parent Genre'),
    'parent_item_colon' => __('Parent Genre:'),
    'edit_item'         => __('Edit Genre'),
    'update_item'       => __('Update Genre'),
    'add_new_item'      => __('Add New Genre'),
    'new_item_name'     => __('New Genre Name'),
    'menu_name'         => __('Foo Taxonomy'),
  );
  $args = array(
    'hierarchical'      => true,
    'labels'            => $labels,
    'show_ui'           => true,
    'show_admin_column' => true,
    'query_var'         => true,
    'rewrite'           => array('slug' => 'my_slug', 'with_front' => TRUE),
    'show_in_rest'      => true,
    'rest_base'         => 'foo_taxonomy',
  );
  register_taxonomy('foo_taxonomy', array('my_slug'), $args);
  flush_rewrite_rules(true);
}
function taxonomy_slug_rewrite() {
  global $wp_rewrite;
  $rules      = array();
  $taxonomies = get_taxonomies(array('_builtin' => false), 'objects');
  $post_types = get_post_types(array('public' => true, '_builtin' => false), 'names');
  foreach ($post_types as $post_type) {
    $post_type_data = get_post_type_object($post_type);
    $post_type_slug = $post_type_data->rewrite['slug'];
    foreach ($taxonomies as $taxonomy) {
      if ($taxonomy->object_type[0] == $post_type_slug) {
        $categories = get_categories(array('type' => $post_type_slug, 'taxonomy' => $taxonomy->name, 'hide_empty' => 0));
        /* @var $category type */
        foreach ($categories as $category) {
          $rules[$post_type_slug . '/' . $category->slug . '/?$'] = 'index.php?' . $category->taxonomy . '=' . $category->slug;
        }
      }
    }
  }
  $wp_rewrite->rules = $rules + $wp_rewrite->rules;
}
add_filter( 'generate_rewrite_rules', 'taxonomy_slug_rewrite' );

add_action('init', 'foo_articles');
function foo_articles() {
  $labels = array(
    'name'               => _x('Foo Articles', 'post type general name', 'your-plugin-textdomain'),
    'singular_name'      => _x('Foo Articles', 'post type singular name', 'your-plugin-textdomain'),
    'menu_name'          => _x('Foo Articles', 'admin menu', 'your-plugin-textdomain'),
    'name_admin_bar'     => _x('My Slug', 'add new on admin bar', 'your-plugin-textdomain'),
    'add_new'            => _x('Add New', 'book', 'your-plugin-textdomain'),
    'add_new_item'       => __('Add New Book', 'your-plugin-textdomain'),
    'new_item'           => __('New Book', 'your-plugin-textdomain'),
    'edit_item'          => __('Edit Book', 'your-plugin-textdomain'),
    'view_item'          => __('View Book', 'your-plugin-textdomain'),
    'all_items'          => __('All Books', 'your-plugin-textdomain'),
    'search_items'       => __('Search Books', 'your-plugin-textdomain'),
    'parent_item_colon'  => __('Parent Books:', 'your-plugin-textdomain'),
    'not_found'          => __('No books found.', 'your-plugin-textdomain'),
    'not_found_in_trash' => __('No books found in Trash.', 'your-plugin-textdomain'),
  );
  $args = array(
    'labels'             => $labels,
    'description'        => __('Description.', 'your-plugin-textdomain'),
    'public'             => true,
    'publicly_queryable' => true,
    'show_ui'            => true,
    'show_in_menu'       => true,
    'query_var'          => true,
    'has_archive'        => true,
    'rewrite'            => array('slug' => 'my_slug','with_front'=>true),
    'hierarchical'       => true,
    'menu_position'      => null,
    'show_in_rest'       => true,
    'rest_base'          => 'my_slug',
    'supports'           => array('title', 'editor', 'author', 'thumbnail', 'excerpt', 'comments','page-attributes'),
  );
  register_post_type('my_slug', $args);
  flush_rewrite_rules(true);
}
add_action('init', 'my_book_taxonomy');
function my_book_taxonomy() {
  $labels = array(
    'name'              => _x('Foo Taxonomy', 'taxonomy general name'),
    'singular_name'     => _x('Foo Taxonomy', 'taxonomy singular name'),
    'search_items'      => __('Search Genres'),
    'all_items'         => __('All Genres'),
    'parent_item'       => __('Parent Genre'),
    'parent_item_colon' => __('Parent Genre:'),
    'edit_item'         => __('Edit Genre'),
    'update_item'       => __('Update Genre'),
    'add_new_item'      => __('Add New Genre'),
    'new_item_name'     => __('New Genre Name'),
    'menu_name'         => __('Foo Taxonomy'),
  );
  $args = array(
    'hierarchical'      => true,
    'labels'            => $labels,
    'show_ui'           => true,
    'show_admin_column' => true,
    'query_var'         => true,
    'rewrite'           => array('slug' => 'my_slug', 'with_front' => TRUE),
    'show_in_rest'      => true,
    'rest_base'         => 'foo_taxonomy',
  );
  register_taxonomy('foo_taxonomy', array('my_slug'), $args);
  flush_rewrite_rules(true);
}
function taxonomy_slug_rewrite() {
  global $wp_rewrite;
  $rules      = array();
  $taxonomies = get_taxonomies(array('_builtin' => false), 'objects');
  $post_types = get_post_types(array('public' => true, '_builtin' => false), 'names');
  foreach ($post_types as $post_type) {
    $post_type_data = get_post_type_object($post_type);
    $post_type_slug = $post_type_data->rewrite['slug'];
    foreach ($taxonomies as $taxonomy) {
      if ($taxonomy->object_type[0] == $post_type_slug) {
        $categories = get_categories(array('type' => $post_type_slug, 'taxonomy' => $taxonomy->name, 'hide_empty' => 0));
        /* @var $category type */
        foreach ($categories as $category) {
          $rules[$post_type_slug . '/' . $category->slug . '/?$'] = 'index.php?' . $category->taxonomy . '=' . $category->slug;
        }
      }
    }
  }
  $wp_rewrite->rules = $rules + $wp_rewrite->rules;
}
add_filter( 'generate_rewrite_rules', 'taxonomy_slug_rewrite' );