From 09ba8c0fc83c8e54b40092b156981148fd6846fc Mon Sep 17 00:00:00 2001
From: Justin Shreve <justin.shreve@gmail.com>
Date: Wed, 10 Feb 2016 08:21:33 -0800
Subject: [PATCH] Only track meta updates for certain fields.

---
 includes/wc-user-functions.php | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/includes/wc-user-functions.php b/includes/wc-user-functions.php
index a8b4d502458..c7aa5e8e5b6 100644
--- a/includes/wc-user-functions.php
+++ b/includes/wc-user-functions.php
@@ -605,10 +605,21 @@ add_action( 'profile_update', 'wc_update_profile_last_update_time', 10, 2 );
  * @param  string $_meta_value Value of the meta that was changed
  */
 function wc_meta_update_last_update_time( $meta_id, $user_id, $meta_key, $_meta_value ) {
-	if ( 'last_update' === $meta_key ) {
-		return;
+	$keys_to_track = apply_filters( 'woocommerce_user_last_update_fields', array( 'first_name', 'last_name' ) );
+	$update_time   = false;
+	if ( in_array( $meta_key, $keys_to_track ) ) {
+		$update_time = true;
+	}
+	if ( 'billing_' === substr( $meta_key, 0, 8 ) ) {
+		$update_time = true;
+	}
+	if ( 'shipping_' === substr( $meta_key, 0, 9 ) ) {
+		$update_time = true;
+	}
+
+	if ( $update_time ) {
+		wc_set_user_last_update_time( $user_id );
 	}
-	wc_set_user_last_update_time( $user_id );
 }
 
 add_action( "update_user_meta", 'wc_meta_update_last_update_time', 10, 4 );