From 8c55c3d757dbd06c8d2cb428ac9f9505d1ec9c17 Mon Sep 17 00:00:00 2001
From: Christian Schneider
Date: Mon, 24 Nov 2025 13:33:31 +0100
Subject: Fix PHP 8.5 ord() warning with null/empty string by passing dummy
 value

---
 it.class | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/it.class b/it.class
index a6591b8..11641d7 100644
--- a/it.class
+++ b/it.class
@@ -421,7 +421,7 @@ static function cidr_match($ip, $cidrs)
 		$subnet_bin = inet_pton($subnet);
 		$valid_bytes = $mask ? $mask >> 3 : 42;
 		$bitmask = 256 - (1 << (8 - ($mask & 7)));
-		$lastbyte_matched = $bitmask ? (ord($ip_bin[$valid_bytes]) & $bitmask) == (ord($subnet_bin[$valid_bytes]) & $bitmask) : true;
+		$lastbyte_matched = $bitmask ? (ord($ip_bin[$valid_bytes] ?? 'X') & $bitmask) == (ord($subnet_bin[$valid_bytes]) & $bitmask) : true;
 
 		if (substr($ip_bin, 0, $valid_bytes) == substr($subnet_bin, 0, $valid_bytes) && $lastbyte_matched)
 			return $cidr;
-- 
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