From cc6957cb9a867959f2e3a2e6626e3f90fed8a3ba Mon Sep 17 00:00:00 2001
From: Viacheslav Panin <slawap@users.noreply.github.com>
Date: Mon, 5 Feb 2024 20:21:47 +0800
Subject: [PATCH] Fix trim() on null error

TypeError: trim() expects parameter 1 to be string, null given in /Iodev/Whois/Helpers/ParserHelper.php:276
---
 src/Iodev/Whois/Helpers/ParserHelper.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Iodev/Whois/Helpers/ParserHelper.php b/src/Iodev/Whois/Helpers/ParserHelper.php
index 83ec03cb..a70ab7fd 100644
--- a/src/Iodev/Whois/Helpers/ParserHelper.php
+++ b/src/Iodev/Whois/Helpers/ParserHelper.php
@@ -273,7 +273,7 @@ public static function parseStates($rawstates, $removeExtra = true)
         foreach ($rawstates as $rawstate) {
             if (preg_match('/^\s*((\d{3}\s+)?[a-z]{2,}.*)\s*/ui', $rawstate, $m)) {
                 $state = mb_strtolower($m[1]);
-                $state = $removeExtra ? trim(preg_replace('~\(.+?\)|((- )?http|<a href).+~ui', '', $state)) : $state;
+                $state = $removeExtra ? trim((string)preg_replace('~\(.+?\)|((- )?http|<a href).+~ui', '', $state)) : $state;
 
                 if (!empty($state)) {
                     $states[] = $state;