From 9004d98701a2a2d39c2222d9e6b31cd45f4f8861 Mon Sep 17 00:00:00 2001
From: Tomasz Hanc <7013293+tomaszhanc@users.noreply.github.com>
Date: Wed, 9 Feb 2022 23:12:39 +0100
Subject: [PATCH] Fix PHPStan

---
 src/Flow/ETL/Rows.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Flow/ETL/Rows.php b/src/Flow/ETL/Rows.php
index fcfa917e0..a93c5b00b 100644
--- a/src/Flow/ETL/Rows.php
+++ b/src/Flow/ETL/Rows.php
@@ -319,6 +319,10 @@ public function count() : int
      */
     public function chunks(int $size) : array
     {
+        if ($size < 1) {
+            throw InvalidArgumentException::because('Chunk size must be greater than 0');
+        }
+
         $chunks = [];
 
         foreach (\array_chunk($this->rows, $size) as $chunk) {