do_block_editor_incompatible_meta_box() WordPress Function

function do_block_editor_incompatible_meta_box( $data_object, $box ) {
	$plugin  = _get_plugin_from_callback( $box['old_callback'] );
	$plugins = get_plugins();
	echo '<p>';
	if ( $plugin ) {
		/* translators: %s: The name of the plugin that generated this meta box. */
		printf( __( 'This meta box, from the %s plugin, is not compatible with the block editor.' ), "<strong>{$plugin['Name']}</strong>" );
	} else {
		_e( 'This meta box is not compatible with the block editor.' );
	}
	echo '</p>';

	if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
		if ( current_user_can( 'install_plugins' ) ) {
			$install_url = wp_nonce_url(
				self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ),
				'save_wporg_username_' . get_current_user_id()
			);

			echo '<p>';
			/* translators: %s: A link to install the Classic Editor plugin. */
			printf( __( 'Please install the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $install_url ) );
			echo '</p>';
		}
	} elseif ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
		if ( current_user_can( 'activate_plugins' ) ) {
			$activate_url = wp_nonce_url(
				self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php' ),
				'activate-plugin_classic-editor/classic-editor.php'
			);

			echo '<p>';
			/* translators: %s: A link to activate the Classic Editor plugin. */
			printf( __( 'Please activate the <a href="%s">Classic Editor plugin</a> to use this meta box.' ), esc_url( $activate_url ) );
			echo '</p>';
		}
	} elseif ( $data_object instanceof WP_Post ) {
		$edit_url = add_query_arg(
			array(
				'classic-editor'         => '',
				'classic-editor__forget' => '',
			),
			get_edit_post_link( $data_object )
		);
		echo '<p>';
		/* translators: %s: A link to use the Classic Editor plugin. */
		printf( __( 'Please open the <a href="%s">classic editor</a> to use this meta box.' ), esc_url( $edit_url ) );
		echo '</p>';
	}
}
Uses	Description
wp-admin/includes/template.php:_get_plugin_from_callback()	Internal helper function to find the plugin from a meta box callback.
wp-admin/includes/plugin.php:is_plugin_inactive()	Determines whether the plugin is inactive.
wp-admin/includes/plugin.php:get_plugins()	Checks the plugins directory and retrieve all plugin files with plugin data.
wp-includes/capabilities.php:current_user_can()	Returns whether the current user has the specified capability.
wp-includes/l10n.php:__()	Retrieve the translation of $text.
wp-includes/l10n.php:_e()	Display translated text.
wp-includes/formatting.php:esc_url()	Checks and cleans a URL.
wp-includes/functions.php:wp_nonce_url()	Retrieve URL with nonce added to URL query.
wp-includes/functions.php:add_query_arg()	Retrieves a modified URL query string.
wp-includes/link-template.php:self_admin_url()	Retrieves the URL to the admin area for either the current site or the network depending on context.
wp-includes/link-template.php:get_edit_post_link()	Retrieves the edit post link for post.
wp-includes/user.php:get_current_user_id()	Gets the current user’s ID.