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How can I create a custom post type with its own taxonomy in WordPress?

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How can I create a custom post type with its own taxonomy in WordPress?

Asked on Feb 03, 2026

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Creating a custom post type with its own taxonomy in WordPress involves registering both the post type and the taxonomy using WordPress functions. This is typically done in your theme's `functions.php` file or a custom plugin.

<!-- BEGIN COPY / PASTE -->
    // Register Custom Post Type
    function create_custom_post_type() {
        $args = array(
            'label' => 'Books',
            'public' => true,
            'supports' => array('title', 'editor', 'thumbnail'),
            'has_archive' => true,
            'rewrite' => array('slug' => 'books'),
        );
        register_post_type('book', $args);
    }
    add_action('init', 'create_custom_post_type');

    // Register Custom Taxonomy
    function create_custom_taxonomy() {
        $args = array(
            'label' => 'Genres',
            'rewrite' => array('slug' => 'genre'),
            'hierarchical' => true,
        );
        register_taxonomy('genre', 'book', $args);
    }
    add_action('init', 'create_custom_taxonomy');
    <!-- END COPY / PASTE -->

Additional Comment:

Custom post types allow you to organize and display different types of content in WordPress.
Custom taxonomies help categorize and tag your custom post types, similar to categories and tags for posts.
Ensure your theme supports custom post types by checking for `post_type_supports` in your theme files.
Consider using a plugin like "Custom Post Type UI" for a user-friendly interface to create custom post types and taxonomies.

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How can I create a custom post type with its own taxonomy in WordPress?

Asked on Feb 03, 2026

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