Email the site admin when a customer changes their address

woocommerce-email-new-address.php

<?php
/**
 * Plugin Name: WooCommerce Email Customer Address
 * Plugin URI: https://gist.github.com/BFTrick/7891074
 * Description: Email the site admin when a customer changes their address
 * Author: Patrick Rauland
 * Author URI: http://patrickrauland.com/
 * Version: 1.0.1
 *
 * 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 3 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    	Patrick Rauland
 * @since		1.0
 */
 
function patricks_email_customer_address( $user_id ) {
	
	global $current_user;

	// get user data
	get_currentuserinfo();

	// get shipping data
	$shipping_address = patricks_get_formatted_shipping_address();

	// get admin email
	$email = get_option( 'admin_email', '' );
	$subject = "Customer Changed Address";

	// format email
	$message = 'Username: ' . $current_user->user_login . "\n";
	$message .= 'User email: ' . $current_user->user_email . "\n";
	$message .= 'User first name: ' . $current_user->user_firstname . "\n";
	$message .= 'User last name: ' . $current_user->user_lastname . "\n";
	$message .= "\n";
	$message .= "\n";
	$message .= 'New shipping address: ' . $shipping_address . "\n";

	// make sure we have all of the required data
	if ( empty ( $email ) ) {
		return;
	}

	// send email
	wp_mail( $email, $subject, $message );

}
add_action( 'woocommerce_customer_save_address', 'patricks_email_customer_address', 20 );

function patricks_get_formatted_shipping_address() {
	global $woocommerce;

	// get the data from the profile after it's set by the customer save
	$woocommerce->customer->set_default_data();

	$address .= $woocommerce->customer->get_shipping_address();
	$address .= "\n";
	$address .= $woocommerce->customer->get_shipping_address_2();
	$address .= "\n";
	$address .= $woocommerce->customer->get_shipping_city();
	$address .= " ";
	$address .= $woocommerce->customer->get_shipping_state();
	$address .= ", ";
	$address .= $woocommerce->customer->get_shipping_postcode();
	$address .= "\n";
	$address .= $woocommerce->customer->get_shipping_country();

	return $address;
}


// That's all folks!