wp_widget_description() WP 2.5.0

Retrieve description for widget.

When registering widgets, the options can also include 'description' that describes the widget for display on the widget administration panel or in the theme.

No Hooks.

Return

String/null. Widget description, if available.

Usage

wp_widget_description( $id );

$id(int/string) (required)

Widget ID.

Code of wp widget description: wp-includes/widgets.php ^{WP 5.2.2}

<?php
function wp_widget_description( $id ) {
	if ( ! is_scalar( $id ) ) {
		return;
	}

	global $wp_registered_widgets;

	if ( isset( $wp_registered_widgets[ $id ]['description'] ) ) {
		return esc_html( $wp_registered_widgets[ $id ]['description'] );
	}
}