'bw-site-map-editor', 'render_callback' => 'bw_site_map_render_callback', 'attributes' => array( 'background' => array( 'type' => 'object', 'default' => array( 'url' => '', 'id' => 0, 'alt' => '' ), ), 'markers' => array( 'type' => 'array', 'default' => [], ), ), )); } add_action('init', 'bw_register_site_map_block'); /** * Server-side rendering of the block. * * @param array $attributes Block attributes. * @param string $content Block default content. * @param WP_Block $block Block instance. * * @return string Returns the block content. */ function bw_site_map_render_callback($attributes, $content, $block) { // Default output is a simple placeholder $html = '

'; $html .= '

This is a site map block placeholder.

'; $html .= '

'; return $html; } /** * Add custom category for our blocks */ function bw_block_categories_site_map($categories, $post) { return array_merge( $categories, array( array( 'slug' => 'bw-blocks', 'title' => __('BW Blocks', 'kadence-child'), ), ) ); } add_filter('block_categories_all', 'bw_block_categories_site_map', 10, 2);