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PATH: home / bnathsfovv / elhiyad.info / wp-includes

<?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'] ) ), JSON_HEX_TAG | JSON_UNESCAPED_SLASHES )
		),
		'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>
		window.WP_BLOCK_THEME_ACTIVATE_NONCE = <?php echo wp_json_encode( wp_create_nonce( $nonce_handle ), JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ); ?>;
	</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' );
	}
}

[+] ..
[-] block-editor.php [edit]
[+] fonts
[-] fonts.php [edit]
[+] ID3
[-] class-wp-block-patterns-registry.php [edit]
[+] blocks
[-] class-wp-recovery-mode-email-service.php [edit]
[-] class-requests.php [edit]
[-] class-wp-http-ixr-client.php [edit]
[-] functions.wp-styles.php [edit]
[+] Text
[-] theme-i18n.json [edit]
[+] build
[-] abilities-api.php [edit]
[+] Requests
[-] class-wp-text-diff-renderer-table.php [edit]
[-] class-wp-list-util.php [edit]
[+] sodium_compat
[-] class-walker-nav-menu.php [edit]
[-] class-wp-recovery-mode.php [edit]
[+] block-supports
[+] rest-api
[-] view-transitions.php [edit]
[+] customize
[-] class-wp-block-metadata-registry.php [edit]
[+] theme-compat
[-] pluggable-deprecated.php [edit]
[+] php-compat
[-] ms-site.php [edit]
[-] class-wp-http-cookie.php [edit]
[-] bookmark.php [edit]
[-] class-wp-text-diff-renderer-inline.php [edit]
[-] class-wp-block-bindings-registry.php [edit]
[-] class-wp-term-query.php [edit]
[-] class-pop3.php [edit]
[-] locale.php [edit]
[-] class-wp-block-list.php [edit]
[+] IXR
[-] class-wp-http-requests-hooks.php [edit]
[+] images
[-] plugin.php [edit]
[-] class-wp-block-template.php [edit]
[+] abilities-api
[+] SimplePie
[+] PHPMailer
[-] embed-template.php [edit]
[-] class-wp-recovery-mode-cookie-service.php [edit]
[-] cron.php [edit]
[+] css
[-] connectors.php [edit]
[-] class-wp-block-type.php [edit]
[+] html-api
[+] widgets
[-] class-wp-http-proxy.php [edit]
[-] class-walker-category-dropdown.php [edit]
[-] admin-bar.php [edit]
[-] class-wpdb.php [edit]
[-] feed-rss2-comments.php [edit]
[+] style-engine
[-] post-template.php [edit]
[-] class-wp-http-requests-response.php [edit]
[-] class-wp-http-encoding.php [edit]
[+] sitemaps
[-] class-wp-block-pattern-categories-registry.php [edit]
[+] block-bindings
[-] class-wp-speculation-rules.php [edit]
[-] class-wp-recovery-mode-key-service.php [edit]
[-] class-wp-icons-registry.php [edit]
[+] certificates
[-] media.php [edit]
[-] class-wp-user-meta-session-tokens.php [edit]
[-] canonical.php [edit]
[-] class-wp-date-query.php [edit]
[-] class-oembed.php [edit]
[+] interactivity-api
[-] class-wp-block-supports.php [edit]
[+] assets
[-] class-wp-theme-json.php [edit]
[-] class-wp-http.php [edit]
[-] class-wp-tax-query.php [edit]
[-] class-wp-user.php [edit]
[-] class.wp-scripts.php [edit]
[-] class-wp-simplepie-sanitize-kses.php [edit]
[-] class-wp-classic-to-block-menu-converter.php [edit]
[-] class-wp-block-type-registry.php [edit]
[-] class-wp-plugin-dependencies.php [edit]
[-] block-bindings.php [edit]
[+] php-ai-client
[+] ai-client
[-] ms-default-filters.php [edit]
[-] class-http.php [edit]
[-] block-i18n.json [edit]
[+] block-patterns
[-] ms-network.php [edit]
[+] js
[-] vars.php [edit]
[-] theme-previews.php [edit]
[+] pomo
[-] template.php [edit]
[-] class-wp-recovery-mode-link-service.php [edit]
[-] class-wp-metadata-lazyloader.php [edit]
[-] atomlib.php [edit]
[-] default-filters.php [edit]
[-] kses.php [edit]
[-] class-wp-customize-setting.php [edit]
[-] author-template.php [edit]
[-] ai-client.php [edit]
[-] class-wp-post-type.php [edit]
[+] l10n
[-] ms-files.php [edit]
[-] class-wp-locale-switcher.php [edit]
[-] global-styles-and-settings.php [edit]
[-] blocks.php [edit]