From 149d0aa5d3163cc089c3606670819e18d9928dff Mon Sep 17 00:00:00 2001
From: lavigor <lavigor@users.noreply.github.com>
Date: Sat, 15 Sep 2018 12:07:30 +0300
Subject: [PATCH] [ticket/13713] Cast topic_id to integer in the topic source

PHPBB3-13713
---
 phpBB/phpbb/mention/source/topic.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpBB/phpbb/mention/source/topic.php b/phpBB/phpbb/mention/source/topic.php
index 5418e4af85..51b855e97b 100644
--- a/phpBB/phpbb/mention/source/topic.php
+++ b/phpBB/phpbb/mention/source/topic.php
@@ -60,7 +60,7 @@ class topic extends base_user
 					'ON'   => 't.topic_id = p.topic_id'
 				],
 			],
-			'WHERE'     => 'p.topic_id = ' . $topic_id . '
+			'WHERE'     => 'p.topic_id = ' . (int) $topic_id . '
 				AND ' . $this->db->sql_in_set('u.user_type', [USER_NORMAL, USER_FOUNDER]),
 			'ORDER_BY'  => 'p.post_time DESC'
 		]);