File Editor
Directories:
.. (Back)
ID3
IXR
PHPMailer
Requests
SimplePie
Text
assets
block-bindings
block-patterns
block-supports
blocks
certificates
css
customize
fonts
html-api
images
interactivity-api
js
l10n
php-compat
pomo
rest-api
sitemaps
sodium_compat
style-engine
theme-compat
widgets
Files:
admin-bar.php
atomlib.php
author-template.php
block-bindings.php
block-editor.php
block-patterns.php
block-template-utils.php
block-template.php
blocks.php
bookmark-template.php
bookmark.php
cache-compat.php
cache.php
canonical.php
capabilities.php
category-template.php
category.php
class-IXR.php
class-avif-info.php
class-feed.php
class-http.php
class-json.php
class-oembed.php
class-phpass.php
class-phpmailer.php
class-pop3.php
class-requests.php
class-simplepie.php
class-smtp.php
class-snoopy.php
class-walker-category-dropdown.php
class-walker-category.php
class-walker-comment.php
class-walker-nav-menu.php
class-walker-page-dropdown.php
class-walker-page.php
class-wp-admin-bar.php
class-wp-ajax-response.php
class-wp-application-passwords.php
class-wp-block-bindings-registry.php
class-wp-block-bindings-source.php
class-wp-block-editor-context.php
class-wp-block-list.php
class-wp-block-parser-block.php
class-wp-block-parser-frame.php
class-wp-block-parser.php
class-wp-block-pattern-categories-registry.php
class-wp-block-patterns-registry.php
class-wp-block-styles-registry.php
class-wp-block-supports.php
class-wp-block-template.php
class-wp-block-type-registry.php
class-wp-block-type.php
class-wp-block.php
class-wp-classic-to-block-menu-converter.php
class-wp-comment-query.php
class-wp-comment.php
class-wp-customize-control.php
class-wp-customize-manager.php
class-wp-customize-nav-menus.php
class-wp-customize-panel.php
class-wp-customize-section.php
class-wp-customize-setting.php
class-wp-customize-widgets.php
class-wp-date-query.php
class-wp-dependencies.php
class-wp-dependency.php
class-wp-duotone.php
class-wp-editor.php
class-wp-embed.php
class-wp-error.php
class-wp-fatal-error-handler.php
class-wp-feed-cache-transient.php
class-wp-feed-cache.php
class-wp-hook.php
class-wp-http-cookie.php
class-wp-http-curl.php
class-wp-http-encoding.php
class-wp-http-ixr-client.php
class-wp-http-proxy.php
class-wp-http-requests-hooks.php
class-wp-http-requests-response.php
class-wp-http-response.php
class-wp-http-streams.php
class-wp-http.php
class-wp-image-editor-gd.php
class-wp-image-editor-imagick.php
class-wp-image-editor.php
class-wp-list-util.php
class-wp-locale-switcher.php
class-wp-locale.php
class-wp-matchesmapregex.php
class-wp-meta-query.php
class-wp-metadata-lazyloader.php
class-wp-navigation-fallback.php
class-wp-network-query.php
class-wp-network.php
class-wp-object-cache.php
class-wp-oembed-controller.php
class-wp-oembed.php
class-wp-paused-extensions-storage.php
class-wp-plugin-dependencies.php
class-wp-post-type.php
class-wp-post.php
class-wp-query.php
class-wp-recovery-mode-cookie-service.php
class-wp-recovery-mode-email-service.php
class-wp-recovery-mode-key-service.php
class-wp-recovery-mode-link-service.php
class-wp-recovery-mode.php
class-wp-rewrite.php
class-wp-role.php
class-wp-roles.php
class-wp-script-modules.php
class-wp-scripts.php
class-wp-session-tokens.php
class-wp-simplepie-file.php
class-wp-simplepie-sanitize-kses.php
class-wp-site-query.php
class-wp-site.php
class-wp-styles.php
class-wp-tax-query.php
class-wp-taxonomy.php
class-wp-term-query.php
class-wp-term.php
class-wp-text-diff-renderer-inline.php
class-wp-text-diff-renderer-table.php
class-wp-textdomain-registry.php
class-wp-theme-json-data.php
class-wp-theme-json-resolver.php
class-wp-theme-json-schema.php
class-wp-theme-json.php
class-wp-theme.php
class-wp-user-meta-session-tokens.php
class-wp-user-query.php
class-wp-user-request.php
class-wp-user.php
class-wp-walker.php
class-wp-widget-factory.php
class-wp-widget.php
class-wp-xmlrpc-server.php
class-wp.php
class-wpdb.php
class.wp-dependencies.php
class.wp-scripts.php
class.wp-styles.php
comment-template.php
comment.php
compat.php
cron.php
date.php
default-constants.php
default-filters.php
default-widgets.php
deprecated.php
embed-template.php
embed.php
error-protection.php
feed-atom-comments.php
feed-atom.php
feed-rdf.php
feed-rss.php
feed-rss2-comments.php
feed-rss2.php
feed.php
fonts.php
formatting.php
functions.php
functions.wp-scripts.php
functions.wp-styles.php
general-template.php
global-styles-and-settings.php
http.php
https-detection.php
https-migration.php
kses.php
l10n.php
link-template.php
load.php
locale.php
media-template.php
media.php
meta.php
ms-blogs.php
ms-default-constants.php
ms-default-filters.php
ms-deprecated.php
ms-files.php
ms-functions.php
ms-load.php
ms-network.php
ms-settings.php
ms-site.php
nav-menu-template.php
nav-menu.php
option.php
pluggable-deprecated.php
pluggable.php
plugin.php
post-formats.php
post-template.php
post-thumbnail-template.php
post.php
query.php
registration-functions.php
registration.php
rest-api.php
revision.php
rewrite.php
robots-template.php
rss-functions.php
rss.php
script-loader.php
script-modules.php
session.php
shortcodes.php
sitemaps.php
spl-autoload-compat.php
style-engine.php
taxonomy.php
template-canvas.php
template-loader.php
template.php
theme-previews.php
theme-templates.php
theme.php
update.php
user.php
vars.php
version.php
widgets.php
wp-db.php
wp-diff.php
Create New File
Create
Edit File: theme-previews.php
<?php /** * Theme previews using the Site Editor for block themes. * * @package WordPress */ /** * Filters the blog option to return the path for the previewed theme. * * @since 6.3.0 * * @param string $current_stylesheet The current theme's stylesheet or template path. * @return string The previewed theme's stylesheet or template path. */ function wp_get_theme_preview_path( $current_stylesheet = null ) { if ( ! current_user_can( 'switch_themes' ) ) { return $current_stylesheet; } $preview_stylesheet = ! empty( $_GET['wp_theme_preview'] ) ? sanitize_text_field( wp_unslash( $_GET['wp_theme_preview'] ) ) : null; $wp_theme = wp_get_theme( $preview_stylesheet ); if ( ! is_wp_error( $wp_theme->errors() ) ) { if ( current_filter() === 'template' ) { $theme_path = $wp_theme->get_template(); } else { $theme_path = $wp_theme->get_stylesheet(); } return sanitize_text_field( $theme_path ); } return $current_stylesheet; } /** * Adds a middleware to `apiFetch` to set the theme for the preview. * This adds a `wp_theme_preview` URL parameter to API requests from the Site Editor, so they also respond as if the theme is set to the value of the parameter. * * @since 6.3.0 */ function wp_attach_theme_preview_middleware() { // Don't allow non-admins to preview themes. if ( ! current_user_can( 'switch_themes' ) ) { return; } wp_add_inline_script( 'wp-api-fetch', sprintf( 'wp.apiFetch.use( wp.apiFetch.createThemePreviewMiddleware( %s ) );', wp_json_encode( sanitize_text_field( wp_unslash( $_GET['wp_theme_preview'] ) ) ) ), 'after' ); } /** * Set a JavaScript constant for theme activation. * * Sets the JavaScript global WP_BLOCK_THEME_ACTIVATE_NONCE containing the nonce * required to activate a theme. For use within the site editor. * * @see https://github.com/WordPress/gutenberg/pull/41836 * * @since 6.3.0 * @access private */ function wp_block_theme_activate_nonce() { $nonce_handle = 'switch-theme_' . wp_get_theme_preview_path(); ?> <script type="text/javascript"> window.WP_BLOCK_THEME_ACTIVATE_NONCE = <?php echo wp_json_encode( wp_create_nonce( $nonce_handle ) ); ?>; </script> <?php } /** * 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' ); } }
Save Changes
Rename File
Rename