From 04e5a42013b40ec69a6900a351d986d525cd7cb3 Mon Sep 17 00:00:00 2001
From: ADDISON <8360474+ADDISON74@users.noreply.github.com>
Date: Sat, 6 Jul 2024 13:33:03 +0300
Subject: [PATCH] Strlen callback function

This PR is similar to #4083. It replaces the callback function '\strlen' with an arrow function (introduced in PHP 7.4) to avoid the error message bellow starting with PHP >8.1

Deprecated functionality: strlen(): Passing null to parameter #1
---
 app/code/core/Mage/ImportExport/Model/Import/Entity/Product.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/core/Mage/ImportExport/Model/Import/Entity/Product.php b/app/code/core/Mage/ImportExport/Model/Import/Entity/Product.php
index aabb90c326e..0a4cf80d21e 100644
--- a/app/code/core/Mage/ImportExport/Model/Import/Entity/Product.php
+++ b/app/code/core/Mage/ImportExport/Model/Import/Entity/Product.php
@@ -1972,7 +1972,7 @@ protected function _saveStockItem()
      */
     protected function _filterRowData(&$rowData)
     {
-        $rowData = array_filter($rowData, '\strlen');
+        $rowData = array_filter($rowData, fn ($tmpString) => strlen($tmpString ?? ''));
         // Exceptions - for sku - put them back in
         if (!isset($rowData[self::COL_SKU])) {
             $rowData[self::COL_SKU] = null;