Custom Post Type Creator

/**
 * Custom Post Type Creator
 * 
 * A fluent API for registering WordPress custom post types and taxonomies
 */

class PostTypeCreator {
    private $name;
    private $singular;
    private $plural;
    private $options = [];
    private $taxonomies = [];

    /**
     * Create a new post type
     * 
     * @param string $name The post type name
     * @param string $singular Singular label
     * @param string $plural Plural label
     * @return self
     */
    public function __construct($name, $singular, $plural) {
        $this->name = $name;
        $this->singular = $singular;
        $this->plural = $plural;
        
        // Set sensible defaults
        $this->options = [
            'public' => true,
            'has_archive' => true,
            'supports' => ['title', 'editor', 'thumbnail'],
            'show_in_rest' => true,
            'menu_position' => 5,
            'menu_icon' => 'dashicons-admin-post'
        ];
        
        return $this;
    }
    
    /**
     * Register the post type
     * 
     * @return void
     */
    public function register() {
        add_action('init', function() {
            $labels = [
                'name' => $this->plural,
                'singular_name' => $this->singular,
                'add_new' => 'Add New',
                'add_new_item' => 'Add New ' . $this->singular,
                'edit_item' => 'Edit ' . $this->singular,
                'new_item' => 'New ' . $this->singular,
                'view_item' => 'View ' . $this->singular,
                'search_items' => 'Search ' . $this->plural,
                'not_found' => 'No ' . $this->plural . ' found',
                'not_found_in_trash' => 'No ' . $this->plural . ' found in Trash'
            ];
            
            $args = array_merge($this->options, ['labels' => $labels]);
            
            register_post_type($this->name, $args);
            
            // Register associated taxonomies
            foreach ($this->taxonomies as $taxonomy) {
                $taxonomy->register($this->name);
            }
        });
    }
    
    /**
     * Add a taxonomy to this post type
     * 
     * @param string $name Taxonomy name
     * @param string $singular Singular label
     * @param string $plural Plural label
     * @param array $options Optional taxonomy arguments
     * @return self
     */
    public function taxonomy($name, $singular, $plural, $options = []) {
        $this->taxonomies[] = new TaxonomyCreator($name, $singular, $plural, $options);
        return $this;
    }
    
    /**
     * Set post type options
     * 
     * @param array $options Post type registration options
     * @return self
     */
    public function options($options) {
        $this->options = array_merge($this->options, $options);
        return $this;
    }
    
    /* Convenience methods for common options */
    
    public function icon($icon) {
        $this->options['menu_icon'] = 'dashicons-' . $icon;
        return $this;
    }
    
    public function noArchive() {
        $this->options['has_archive'] = false;
        return $this;
    }
}

/**
 * Taxonomy Creator helper class
 */
class TaxonomyCreator {
    private $name;
    private $singular;
    private $plural;
    private $options = [];
    
    public function __construct($name, $singular, $plural, $options = []) {
        $this->name = $name;
        $this->singular = $singular;
        $this->plural = $plural;
        
        // Sensible defaults
        $this->options = array_merge([
            'hierarchical' => true,
            'show_admin_column' => true,
            'show_in_rest' => true
        ], $options);
    }
    
    public function register($post_type) {
        $labels = [
            'name' => $this->plural,
            'singular_name' => $this->singular,
            'search_items' => 'Search ' . $this->plural,
            'all_items' => 'All ' . $this->plural,
            'parent_item' => 'Parent ' . $this->singular,
            'parent_item_colon' => 'Parent ' . $this->singular . ':',
            'edit_item' => 'Edit ' . $this->singular,
            'update_item' => 'Update ' . $this->singular,
            'add_new_item' => 'Add New ' . $this->singular,
            'new_item_name' => 'New ' . $this->singular . ' Name'
        ];
        
        $args = array_merge($this->options, ['labels' => $labels]);
        
        register_taxonomy($this->name, $post_type, $args);
    }
}

/**
 * USAGE EXAMPLE:
 * 
 * // Create a "Projects" post type
 * $projects = new PostTypeCreator('project', 'Project', 'Projects');
 * $projects->taxonomy('project-category', 'Category', 'Categories')
 *          ->taxonomy('project-tag', 'Tag', 'Tags', ['hierarchical' => false])
 *          ->icon('portfolio')
 *          ->register();
 */