有一个名为register_taxonomy_args 在WP v4中。这是一个很大的帮助。此测试和工作示例假定post类型schools 和productions 已创建。

/**
 * Filter the arguments for registering a taxonomy.
 *
 * @since 4.4.0
 *
 * @param array  $args        Array of arguments for registering a taxonomy.
 * @param string $taxonomy    Taxonomy key.
 * @param array  $object_type Array of names of object types for the taxonomy.
 */
add_filter( \'register_taxonomy_args\', \'wpse238461_taxonomy_school_subjects_title_changer\', 10, 3 );
function wpse238461_taxonomy_school_subjects_title_changer( $args, $taxonomy, $object_type ) {

    // We\'ll need to figure out what kind of post type we\'re looking at, and it\'s too early for other methods.
    if ( ! isset( $_GET[\'post_type\'] ) || ! $_GET[\'post_type\'] ) {
        return $args;
    }
    $post_type = $_GET[\'post_type\'];

    /*
    // Bonus code for anyone trying to do this on regular post or page edit screens,
    // $_GET[\'post_type\'] is not set, so do something like this instead of/in addition to the above check

    // We\'ll need to figure out what kind of post type we\'re looking at, and it\'s too early for other methods.
    if ( ! isset( $_GET[\'post\'] ) || ! $_GET[\'post\'] ) {
        return $args;
    }

    // Get the post type (post or page), bail if we can\'t. 
    $post_type = get_post_type( $_GET[\'post\'] );
    if ( ! $post_type ) {
        return $args;
    }   
    */

    // Make sure we\'re looking at the right taxonomy since this filter runs for all of them.
    if ( \'school_subjects\' !== $taxonomy ) {
        return $args;
    }

    // Check if we\'re viewing the appropriate post type, and modify the label.
    if ( \'schools\' === $post_type ) {
        $args[\'labels\'][\'name\']              = _x( \'Subject Wishlists\', \'taxonomy general name\', \'textdomain\' );

        // Alternate example for when taxonomy is using the label argument instead of the entire labels argument:
        // $args[\'label\'] = \'Subject Wishlist\';
    }

    return $args;
}

// Taxonomy registration code
add_action( \'init\', \'create_taxonomy_school_subjects\' );
function create_taxonomy_school_subjects() {
    register_taxonomy(
        \'school_subjects\',
        array( \'schools\', \'productions\' ),
        array(
            //\'label\' => __( \'School Subjects\' ),
            \'labels\' => array(
                \'name\'              => _x( \'School Subjects\', \'taxonomy general name\', \'textdomain\' ),
                \'singular_name\'     => _x( \'School Subject\', \'taxonomy singular name\', \'textdomain\' ),
                \'search_items\'      => __( \'Search School Subjects\', \'textdomain\' ),
                \'all_items\'         => __( \'All School Subjects\', \'textdomain\' ),
                \'parent_item\'       => __( \'Parent School Subject\', \'textdomain\' ),
                \'parent_item_colon\' => __( \'Parent School Subject:\', \'textdomain\' ),
                \'edit_item\'         => __( \'Edit School Subject\', \'textdomain\' ),
                \'update_item\'       => __( \'Update School Subject\', \'textdomain\' ),
                \'add_new_item\'      => __( \'Add New School Subject\', \'textdomain\' ),
                \'new_item_name\'     => __( \'New School Subject Name\', \'textdomain\' ),
                \'menu_name\'         => __( \'School Subjects\', \'textdomain\' ),
            ),
            \'rewrite\' => array( \'slug\' => \'school_subjects\' ),
            \'hierarchical\' => true,
        )
    );
}

制作-学校科目