wp_initialize_theme_preview_hooks

WordPress Version: 3.2

/**
 * Add filters and actions to enable Block Theme Previews in the Site Editor.
 *
 * The filters and actions should be added after `pluggable.php` is included as they may
 * trigger code that uses `current_user_can()` which requires functionality from `pluggable.php`.
 *
 * @since 6.3.2
 */
function wp_initialize_theme_preview_hooks()
{
    if (!empty($_GET['wp_theme_preview'])) {
        add_filter('stylesheet', 'wp_get_theme_preview_path');
        add_filter('template', 'wp_get_theme_preview_path');
        add_action('init', 'wp_attach_theme_preview_middleware');
        add_action('admin_head', 'wp_block_theme_activate_nonce');
    }
}