From c09a2695891ce0d235508d25611a36fef294b6a0 Mon Sep 17 00:00:00 2001
From: Claudio Sanches <contato@claudiosanches.com>
Date: Thu, 14 May 2020 14:06:01 -0300
Subject: [PATCH] Revert "Fix duplicated custom fields after import products
 from .csv file"

---
 .../admin/importers/class-wc-product-csv-importer-controller.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/includes/admin/importers/class-wc-product-csv-importer-controller.php b/includes/admin/importers/class-wc-product-csv-importer-controller.php
index 2e1a6d4143d..22b70555917 100644
--- a/includes/admin/importers/class-wc-product-csv-importer-controller.php
+++ b/includes/admin/importers/class-wc-product-csv-importer-controller.php
@@ -577,6 +577,7 @@ class WC_Product_CSV_Importer_Controller {
 
 		$headers = array();
 		foreach ( $raw_headers as $key => $field ) {
+			$field             = strtolower( $field );
 			$index             = $num_indexes ? $key : $field;
 			$headers[ $index ] = $field;