Override the From email address used in booking notification emails

rtb-override-notification-from-email.php

<?php
/**
 * Plugin Name: Notification Email Override for Restaurant Reservations
 * Plugin URI: http://themeofthecrop.com
 * Description: Override the From email address used in booking notification emails
 * Version: 1.0
 * Author: Theme of the Crop
 * Author URI: http://themeofthecrop.com
 * License:     GNU General Public License v2.0 or later
 * License URI: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write
 * to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
if ( ! defined( 'ABSPATH' ) )
	exit;

/**
 * Set the email address used in the From headers
 */
if ( !function_exists( 'rtbonfe_set_from_email' ) ) {
add_filter( 'rtb_notification_email_header_from_email', 'rtbonfe_set_from_email' );
function rtbonfe_set_from_email( $email ) {

	return '[email protected]';
}
} // endif;