From c01d1967ddc9ecf08c2e6e25a5a8c4048388118c Mon Sep 17 00:00:00 2001
From: rxu <rxu@mail.ru>
Date: Thu, 15 May 2025 17:02:03 +0700
Subject: [PATCH] [ticket/17512] Fix handling tokens with no/empty type hint

PHPBB-17512
---
 .../phpbb/Sniffs/CodeLayout/UnionTypesCheckSniff.php         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/build/code_sniffer/phpbb/Sniffs/CodeLayout/UnionTypesCheckSniff.php b/build/code_sniffer/phpbb/Sniffs/CodeLayout/UnionTypesCheckSniff.php
index 7092c07b31..89ea31efcc 100644
--- a/build/code_sniffer/phpbb/Sniffs/CodeLayout/UnionTypesCheckSniff.php
+++ b/build/code_sniffer/phpbb/Sniffs/CodeLayout/UnionTypesCheckSniff.php
@@ -67,6 +67,11 @@ class UnionTypesCheckSniff implements Sniff
 
 	public function check_union_type(File $phpcsFile, $stack_pointer, $type_hint)
 	{
+		if (empty($type_hint))
+		{
+			return;
+		}
+
 		if (!strpos($type_hint, '|') && $type_hint[0] == '?') // Check nullable shortcut syntax
 		{
 			$type = substr($type_hint, 1);