From f741d507ba818f13b202dddcdbed7ade124725a3 Mon Sep 17 00:00:00 2001
From: Naveen giri <1naveengiri@gmail.com>
Date: Fri, 22 Feb 2019 19:13:35 +0530
Subject: [PATCH] Bugfix/#22821: Add Fix for Warning and Notices on save
 attribute button click

---
 includes/class-wc-ajax.php | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/includes/class-wc-ajax.php b/includes/class-wc-ajax.php
index 2ba970ab370..086a381f9e6 100644
--- a/includes/class-wc-ajax.php
+++ b/includes/class-wc-ajax.php
@@ -632,21 +632,22 @@ class WC_AJAX {
 			ob_start();
 			$attributes = $product->get_attributes( 'edit' );
 			$i          = -1;
+			if( isset( $data['attribute_names'] ) && !empty( $data['attribute_names'] ) ){
+				foreach ( $data['attribute_names'] as $attribute_name ) {
+					$attribute = isset( $attributes[ sanitize_title( $attribute_name ) ] ) ? $attributes[ sanitize_title( $attribute_name ) ] : false;
+					if ( ! $attribute ) {
+						continue;
+					}
+					$i++;
+					$metabox_class = array();
 
-			foreach ( $data['attribute_names'] as $attribute_name ) {
-				$attribute = isset( $attributes[ sanitize_title( $attribute_name ) ] ) ? $attributes[ sanitize_title( $attribute_name ) ] : false;
-				if ( ! $attribute ) {
-					continue;
+					if ( $attribute->is_taxonomy() ) {
+						$metabox_class[] = 'taxonomy';
+						$metabox_class[] = $attribute->get_name();
+					}
+
+					include( 'admin/meta-boxes/views/html-product-attribute.php' );
 				}
-				$i++;
-				$metabox_class = array();
-
-				if ( $attribute->is_taxonomy() ) {
-					$metabox_class[] = 'taxonomy';
-					$metabox_class[] = $attribute->get_name();
-				}
-
-				include( 'admin/meta-boxes/views/html-product-attribute.php' );
 			}
 
 			$response['html'] = ob_get_clean();