From 05c44e728bd9362699c7a0b65ed458fcb62d02ac Mon Sep 17 00:00:00 2001
From: Jan Skrasek <hrach.cz@gmail.com>
Date: Sun, 9 Jan 2022 21:39:03 +0100
Subject: [PATCH] fix debug panel for PHP 8.1 [closes #166]

---
 src/Bridges/NetteTracy/ConnectionPanel.panel.phtml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Bridges/NetteTracy/ConnectionPanel.panel.phtml b/src/Bridges/NetteTracy/ConnectionPanel.panel.phtml
index 8d8db4f0..ff9948cf 100644
--- a/src/Bridges/NetteTracy/ConnectionPanel.panel.phtml
+++ b/src/Bridges/NetteTracy/ConnectionPanel.panel.phtml
@@ -83,13 +83,13 @@ namespace Nextras\Dbal\Bridges\NetteTracy;
 						<table class="tracy-collapsed nextras-dbal-explain">
 							<tr>
 								<?php foreach ($explain[0] as $col => $foo): ?>
-									<th><?php echo htmlSpecialChars($col, ENT_NOQUOTES, 'UTF-8') ?></th>
+									<th><?php echo htmlSpecialChars($col ?? '', ENT_NOQUOTES, 'UTF-8') ?></th>
 								<?php endforeach ?>
 							</tr>
 							<?php foreach ($explain as $row): ?>
 								<tr>
 									<?php foreach ($row as $col): ?>
-										<td class="<?php echo $whitespaceExplain ? 'whitespace-explain' : '' ?>"><?php echo htmlSpecialChars($col, ENT_NOQUOTES, 'UTF-8') ?></td>
+										<td class="<?php echo $whitespaceExplain ? 'whitespace-explain' : '' ?>"><?php echo htmlSpecialChars($col ?? '', ENT_NOQUOTES, 'UTF-8') ?></td>
 									<?php endforeach ?>
 								</tr>
 							<?php endforeach ?>