diff --git a/phpBB/phpbb/mention/source/group.php b/phpBB/phpbb/mention/source/group.php
index c27c7d6d33..cf725789c1 100644
--- a/phpBB/phpbb/mention/source/group.php
+++ b/phpBB/phpbb/mention/source/group.php
@@ -60,10 +60,10 @@ abstract class group implements source_interface
 					GROUPS_TABLE => 'g',
 				],
 			]);
-			$res = $this->db->sql_query($query);
+			$result = $this->db->sql_query($query);
 
 			$groups = [];
-			while ($row = $this->db->sql_fetchrow($res))
+			while ($row = $this->db->sql_fetchrow($result))
 			{
 				$group_name = $this->helper->get_name($row['group_name']);
 				$groups['names'][$row['group_id']] = $group_name;
@@ -89,10 +89,10 @@ abstract class group implements source_interface
 	public function get($keyword, $topic_id)
 	{
 		// Grab all group IDs
-		$res = $this->db->sql_query($this->query($keyword, $topic_id));
+		$result = $this->db->sql_query($this->query($keyword, $topic_id));
 
 		$group_ids = [];
-		while ($row = $this->db->sql_fetchrow($res))
+		while ($row = $this->db->sql_fetchrow($result))
 		{
 			$group_ids[] = $row['group_id'];
 		}
diff --git a/phpBB/phpbb/mention/source/user.php b/phpBB/phpbb/mention/source/user.php
index 69fe6b8bb8..d691634859 100644
--- a/phpBB/phpbb/mention/source/user.php
+++ b/phpBB/phpbb/mention/source/user.php
@@ -58,10 +58,10 @@ abstract class user implements source_interface
 	public function get($keyword, $topic_id)
 	{
 		$keyword = utf8_clean_string($keyword);
-		$res = $this->db->sql_query_limit($this->query($keyword, $topic_id), 5);
+		$result = $this->db->sql_query_limit($this->query($keyword, $topic_id), 5);
 
 		$names = [];
-		while ($row = $this->db->sql_fetchrow($res))
+		while ($row = $this->db->sql_fetchrow($result))
 		{
 			$user_rank = $this->user_loader->get_rank($row['user_id'], true);
 			$names['u' . $row['user_id']] = [
diff --git a/phpBB/phpbb/textformatter/s9e/mention_helper.php b/phpBB/phpbb/textformatter/s9e/mention_helper.php
index 0348809cbc..91530d5c5c 100644
--- a/phpBB/phpbb/textformatter/s9e/mention_helper.php
+++ b/phpBB/phpbb/textformatter/s9e/mention_helper.php
@@ -74,9 +74,9 @@ class mention_helper
 				AND ' . $this->db->sql_in_set('u.user_type', [USER_NORMAL, USER_FOUNDER]) . '
 				AND ' . $this->db->sql_in_set('u.user_id', $user_ids),
 			]);
-			$res = $this->db->sql_query($query);
+			$result = $this->db->sql_query($query);
 
-			while ($row = $this->db->sql_fetchrow($res))
+			while ($row = $this->db->sql_fetchrow($result))
 			{
 				$this->cached_colors['users'][$row['user_id']] = $row['user_colour'];
 			}
@@ -91,9 +91,9 @@ class mention_helper
 				],
 				'WHERE'  => $this->db->sql_in_set('g.group_id', $group_ids),
 			]);
-			$res = $this->db->sql_query($query);
+			$result = $this->db->sql_query($query);
 
-			while ($row = $this->db->sql_fetchrow($res))
+			while ($row = $this->db->sql_fetchrow($result))
 			{
 				$this->cached_colors['groups'][$row['group_id']] = $row['group_colour'];
 			}