Taxonomy storage and customization

Taxonomy storage and customization

In WordPress, taxonomies are used to organize content into different groups, similar to categories or tags. Taxonomies can be created and customized using the built-in WordPress functions.

By default, WordPress comes with two taxonomies: Categories and Tags. Categories are hierarchical taxonomies, meaning they can have parent and child categories, while Tags are non-hierarchical, meaning they are flat and don’t have parent-child relationships.

To create custom taxonomies in WordPress, you can use the register_taxonomy() function, which allows you to specify the taxonomy name, the post types it applies to, and other parameters such as the labels and the visibility.

Here is an example of how to create a custom taxonomy for a custom post type called “books”:

function custom_taxonomy() {

    $args = array(

        ‘label’ => __( ‘Genres’, ‘textdomain’ ),

        ‘rewrite’ => array( ‘slug’ => ‘genre’ ),

        ‘hierarchical’ => true,

    );

    register_taxonomy( ‘genre’, ‘books’, $args );

}

add_action( ‘init’, ‘custom_taxonomy’ );

This code creates a hierarchical taxonomy called “Genres” with a slug of “genre” that applies to the “books” post type.

Once you have created your custom taxonomy, you can use the WordPress API to display and manipulate the taxonomy terms on the front-end or in the WordPress admin area.

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