<?php
/**
* Server-side rendering of the `core/legacy-widget` block.
*
* @package WordPress
*/
/**
* Renders the 'core/legacy-widget' block.
*
* @since 5.8.0
*
* @global int $wp_widget_factory.
*
* @param array $attributes The block attributes.
*
* @return string Rendered block.
*/
function render_block_core_legacy_widget( $attributes ) {
global $wp_widget_factory;
if ( isset( $attributes['id'] ) ) {
$sidebar_id = wp_find_widgets_sidebar( $attributes['id'] );
return wp_render_widget( $attributes['id'], $sidebar_id );
}
if ( ! isset( $attributes['idBase'] ) ) {
return '';
}
$id_base = $attributes['idBase'];
$widget_key = $wp_widget_factory->get_widget_key( $id_base );
$widget_object = $wp_widget_factory->get_widget_object( $id_base );
if ( ! $widget_key || ! $widget_object ) {
return '';
}
if ( isset( $attributes['instance']['encoded'], $attributes['instance']['hash'] ) ) {
$serialized_instance = base64_decode( $attributes['instance']['encoded'] );
if ( ! hash_equals( wp_hash( $serialized_instance ), (string) $attributes['instance']['hash'] ) ) {
return '';
}
$instance = unserialize( $serialized_instance );
} else {
$instance = array();
}
$args = array(
'widget_id' => $widget_object->id,
'widget_name' => $widget_object->name,
);
ob_start();
the_widget( $widget_key, $instance, $args );
return ob_get_clean();
}
/**
* Registers the 'core/legacy-widget' block.
*
* @since 5.8.0
*/
function register_block_core_legacy_widget() {
register_block_type_from_metadata(
__DIR__ . '/legacy-widget',
array(
'render_callback' => 'render_block_core_legacy_widget',
)
);
}
add_action( 'init', 'register_block_core_legacy_widget' );
/**
* Intercepts any request with legacy-widget-preview in the query param and, if
* set, renders a page containing a preview of the requested Legacy Widget
* block.
*
* @since 5.8.0
*/
function handle_legacy_widget_preview_iframe() {
if ( empty( $_GET['legacy-widget-preview'] ) ) {
return;
}
if ( ! current_user_can( 'edit_theme_options' ) ) {
return;
}
define( 'IFRAME_REQUEST', true );
?>
<!doctype html>
<html <?php language_attributes(); ?>>
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="profile" href="https://gmpg.org/xfn/11" />
<?php wp_head(); ?>
<style>
/* Reset theme styles */
html, body, #page, #content {
padding: 0 !important;
margin: 0 !important;
}
/* Hide root level text nodes */
body {
font-size: 0 !important;
}
/* Hide non-widget elements */
body *:not(#page):not(#content):not(.widget):not(.widget *) {
display: none !important;
font-size: 0 !important;
height: 0 !important;
left: -9999px !important;
max-height: 0 !important;
max-width: 0 !important;
opacity: 0 !important;
pointer-events: none !important;
position: absolute !important;
top: -9999px !important;
transform: translate(-9999px, -9999px) !important;
visibility: hidden !important;
z-index: -999 !important;
}
/* Restore widget font-size */
.widget {
font-size: var(--global--font-size-base);
}
</style>
</head>
<body <?php body_class(); ?>>
<div id="page" class="site">
<div id="content" class="site-content">
<?php
$registry = WP_Block_Type_Registry::get_instance();
$block = $registry->get_registered( 'core/legacy-widget' );
echo $block->render( $_GET['legacy-widget-preview'] );
?>
</div><!-- #content -->
</div><!-- #page -->
<?php wp_footer(); ?>
</body>
</html>
<?php
exit;
}
// Use admin_init instead of init to ensure get_current_screen function is already available.
// This isn't strictly required, but enables better compatibility with existing plugins.
// See: https://github.com/WordPress/gutenberg/issues/32624.
add_action( 'admin_init', 'handle_legacy_widget_preview_iframe', 20 );
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| archives | Folder | 0755 |
|
|
| audio | Folder | 0755 |
|
|
| avatar | Folder | 0755 |
|
|
| block | Folder | 0755 |
|
|
| button | Folder | 0755 |
|
|
| buttons | Folder | 0755 |
|
|
| calendar | Folder | 0755 |
|
|
| categories | Folder | 0755 |
|
|
| classic | Folder | 0755 |
|
|
| code | Folder | 0755 |
|
|
| column | Folder | 0755 |
|
|
| columns | Folder | 0755 |
|
|
| comment-author-name | Folder | 0755 |
|
|
| comment-content | Folder | 0755 |
|
|
| comment-date | Folder | 0755 |
|
|
| comment-edit-link | Folder | 0755 |
|
|
| comment-reply-link | Folder | 0755 |
|
|
| comment-template | Folder | 0755 |
|
|
| comments | Folder | 0755 |
|
|
| comments-pagination | Folder | 0755 |
|
|
| comments-pagination-next | Folder | 0755 |
|
|
| comments-pagination-numbers | Folder | 0755 |
|
|
| comments-pagination-previous | Folder | 0755 |
|
|
| comments-title | Folder | 0755 |
|
|
| cover | Folder | 0755 |
|
|
| details | Folder | 0755 |
|
|
| embed | Folder | 0755 |
|
|
| file | Folder | 0755 |
|
|
| footnotes | Folder | 0755 |
|
|
| freeform | Folder | 0755 |
|
|
| gallery | Folder | 0755 |
|
|
| group | Folder | 0755 |
|
|
| heading | Folder | 0755 |
|
|
| home-link | Folder | 0755 |
|
|
| html | Folder | 0755 |
|
|
| image | Folder | 0755 |
|
|
| latest-comments | Folder | 0755 |
|
|
| latest-posts | Folder | 0755 |
|
|
| legacy-widget | Folder | 0755 |
|
|
| list | Folder | 0755 |
|
|
| list-item | Folder | 0755 |
|
|
| loginout | Folder | 0755 |
|
|
| media-text | Folder | 0755 |
|
|
| missing | Folder | 0755 |
|
|
| more | Folder | 0755 |
|
|
| navigation | Folder | 0755 |
|
|
| navigation-link | Folder | 0755 |
|
|
| navigation-submenu | Folder | 0755 |
|
|
| nextpage | Folder | 0755 |
|
|
| page-list | Folder | 0755 |
|
|
| page-list-item | Folder | 0755 |
|
|
| paragraph | Folder | 0755 |
|
|
| pattern | Folder | 0755 |
|
|
| post-author | Folder | 0755 |
|
|
| post-author-biography | Folder | 0755 |
|
|
| post-author-name | Folder | 0755 |
|
|
| post-comments-form | Folder | 0755 |
|
|
| post-content | Folder | 0755 |
|
|
| post-date | Folder | 0755 |
|
|
| post-excerpt | Folder | 0755 |
|
|
| post-featured-image | Folder | 0755 |
|
|
| post-navigation-link | Folder | 0755 |
|
|
| post-template | Folder | 0755 |
|
|
| post-terms | Folder | 0755 |
|
|
| post-title | Folder | 0755 |
|
|
| preformatted | Folder | 0755 |
|
|
| pullquote | Folder | 0755 |
|
|
| query | Folder | 0755 |
|
|
| query-no-results | Folder | 0755 |
|
|
| query-pagination | Folder | 0755 |
|
|
| query-pagination-next | Folder | 0755 |
|
|
| query-pagination-numbers | Folder | 0755 |
|
|
| query-pagination-previous | Folder | 0755 |
|
|
| query-title | Folder | 0755 |
|
|
| quote | Folder | 0755 |
|
|
| read-more | Folder | 0755 |
|
|
| rss | Folder | 0755 |
|
|
| search | Folder | 0755 |
|
|
| separator | Folder | 0755 |
|
|
| shortcode | Folder | 0755 |
|
|
| site-logo | Folder | 0755 |
|
|
| site-tagline | Folder | 0755 |
|
|
| site-title | Folder | 0755 |
|
|
| social-link | Folder | 0755 |
|
|
| social-links | Folder | 0755 |
|
|
| spacer | Folder | 0755 |
|
|
| table | Folder | 0755 |
|
|
| tag-cloud | Folder | 0755 |
|
|
| template-part | Folder | 0755 |
|
|
| term-description | Folder | 0755 |
|
|
| text-columns | Folder | 0755 |
|
|
| verse | Folder | 0755 |
|
|
| video | Folder | 0755 |
|
|
| widget-group | Folder | 0755 |
|
|
| archives.php | File | 2.92 KB | 0644 |
|
| avatar.php | File | 5.61 KB | 0644 |
|
| block.php | File | 3.13 KB | 0644 |
|
| blocks-json.php | File | 182.84 KB | 0644 |
|
| button.php | File | 1.76 KB | 0644 |
|
| calendar.php | File | 5.93 KB | 0644 |
|
| categories.php | File | 3.92 KB | 0644 |
|
| comment-author-name.php | File | 2.08 KB | 0644 |
|
| comment-content.php | File | 2.4 KB | 0644 |
|
| comment-date.php | File | 1.82 KB | 0644 |
|
| comment-edit-link.php | File | 1.67 KB | 0644 |
|
| comment-reply-link.php | File | 2.03 KB | 0644 |
|
| comment-template.php | File | 4.39 KB | 0644 |
|
| comments-pagination-next.php | File | 1.88 KB | 0644 |
|
| comments-pagination-numbers.php | File | 1.59 KB | 0644 |
|
| comments-pagination-previous.php | File | 1.75 KB | 0644 |
|
| comments-pagination.php | File | 1.17 KB | 0644 |
|
| comments-title.php | File | 2.71 KB | 0644 |
|
| comments.php | File | 6.61 KB | 0644 |
|
| cover.php | File | 3.04 KB | 0644 |
|
| file.php | File | 1.75 KB | 0644 |
|
| footnotes.php | File | 3.68 KB | 0644 |
|
| gallery.php | File | 6.29 KB | 0644 |
|
| heading.php | File | 1.27 KB | 0644 |
|
| home-link.php | File | 5.6 KB | 0644 |
|
| image.php | File | 11.82 KB | 0644 |
|
| index.php | File | 4.99 KB | 0644 |
|
| latest-comments.php | File | 4.92 KB | 0644 |
|
| latest-posts.php | File | 8.34 KB | 0644 |
|
| legacy-widget.php | File | 3.9 KB | 0644 |
|
| list.php | File | 1.24 KB | 0644 |
|
| loginout.php | File | 1.38 KB | 0644 |
|
| media-text.php | File | 4.28 KB | 0644 |
|
| navigation-link.php | File | 13.21 KB | 0644 |
|
| navigation-submenu.php | File | 9.09 KB | 0644 |
|
| navigation.php | File | 57.9 KB | 0644 |
|
| page-list-item.php | File | 361 B | 0644 |
|
| page-list.php | File | 13.29 KB | 0644 |
|
| pattern.php | File | 2.14 KB | 0644 |
|
| post-author-biography.php | File | 1.49 KB | 0644 |
|
| post-author-name.php | File | 1.78 KB | 0644 |
|
| post-author.php | File | 2.54 KB | 0644 |
|
| post-comments-form.php | File | 2.74 KB | 0644 |
|
| post-content.php | File | 2.11 KB | 0644 |
|
| post-date.php | File | 3.05 KB | 0644 |
|
| post-excerpt.php | File | 3.37 KB | 0644 |
|
| post-featured-image.php | File | 9.14 KB | 0644 |
|
| post-navigation-link.php | File | 4.72 KB | 0644 |
|
| post-template.php | File | 5.61 KB | 0644 |
|
| post-terms.php | File | 3.6 KB | 0644 |
|
| post-title.php | File | 2.09 KB | 0644 |
|
| query-no-results.php | File | 1.8 KB | 0644 |
|
| query-pagination-next.php | File | 3.7 KB | 0644 |
|
| query-pagination-numbers.php | File | 4.66 KB | 0644 |
|
| query-pagination-previous.php | File | 3.1 KB | 0644 |
|
| query-pagination.php | File | 1.15 KB | 0644 |
|
| query-title.php | File | 2.05 KB | 0644 |
|
| query.php | File | 5.56 KB | 0644 |
|
| read-more.php | File | 1.79 KB | 0644 |
|
| require-dynamic-blocks.php | File | 4.01 KB | 0644 |
|
| require-static-blocks.php | File | 501 B | 0644 |
|
| rss.php | File | 3.88 KB | 0644 |
|
| search.php | File | 22.51 KB | 0644 |
|
| shortcode.php | File | 735 B | 0644 |
|
| site-logo.php | File | 6.19 KB | 0644 |
|
| site-tagline.php | File | 1.17 KB | 0644 |
|
| site-title.php | File | 1.77 KB | 0644 |
|
| social-link.php | File | 62.67 KB | 0644 |
|
| tag-cloud.php | File | 1.55 KB | 0644 |
|
| template-part.php | File | 9.86 KB | 0644 |
|
| term-description.php | File | 1.3 KB | 0644 |
|
| widget-group.php | File | 2.38 KB | 0644 |
|