Change the sold by link label to vendor’s name

if ( ! function_exists( 'display_solby_as_first_name' ) ) {

	/**

	 * Display sold by as vendor first name.

	 *

	 * @param string $soldby the link with name.

	 * @param int    $vendor_id the Vendor ID.

	 */

	function display_solby_as_first_name( $soldby, $vendor_id ) {

		if ( ! WCV_Vendors::is_vendor( $vendor_id ) ) {

			return $soldby;

		}

		$user_data = get_userdata( $vendor_id );

		if ( empty( $user_data->first_name ) ) {

			return $soldby;

		}

		$soldby = sprintf( '<a href="%s">%s</a>', WCV_Vendors::get_vendor_shop_page( $vendor_id ), esc_html( $user_data->first_name ) );

		return $soldby;

	}

	add_filter( 'wcvendors_sold_by_link', 'display_solby_as_first_name', 10, 2 );

}