From 6b999019bdbc7511b49e4b925ccd14f6889da8dc Mon Sep 17 00:00:00 2001
From: jiriermis <46221089+jiriermis@users.noreply.github.com>
Date: Tue, 22 Oct 2024 13:18:01 +0200
Subject: [PATCH] handleShowColumn crash when all columns are shown

array_search(): Argument #2 ($haystack) must be of type array, null given
---
 src/Datagrid.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Datagrid.php b/src/Datagrid.php
index 4dfe848a..e3b2300d 100644
--- a/src/Datagrid.php
+++ b/src/Datagrid.php
@@ -2046,7 +2046,7 @@ public function handleShowColumn(string $column): void
 	{
 		$columns = $this->getSessionData('_grid_hidden_columns');
 
-		if ($columns !== []) {
+		if ($columns !== [] && $columns !== null) {
 			$pos = array_search($column, $columns, true);
 
 			if ($pos !== false) {