Remove expired IP range bans properly

inc/functions.php

@@ -211,6 +211,13 @@
 				$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
 				$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
 				$query->execute() or error(db_error($query));
+				
+				if($config['ban_range']) {
+					$query = prepare("DELETE FROM `bans` WHERE :ip REGEXP CONCAT('^', REPLACE(REPLACE(`ip`, '.', '\\.'), '*', '[0-9]*'), '$') AND `expires` = :expires LIMIT 1");
+					$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
+					$query->bindValue(':expires', $ban['expires'], PDO::PARAM_INT);
+					$query->execute() or error(db_error($query));
+				}
 				return;
 			}
 			$body = '<div class="ban">