From 3911e72dba800ed099a00fc0619fcb06addc5d73 Mon Sep 17 00:00:00 2001
From: Roman Kelesidis <roman25052006.kelesh@gmail.com>
Date: Thu, 5 Sep 2024 17:55:37 +0700
Subject: [PATCH] Update common.php

---
 common.php | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/common.php b/common.php
index 47c39eb68..96de37e9d 100644
--- a/common.php
+++ b/common.php
@@ -239,12 +239,13 @@ function htmlCHR($txt, bool $double_encode = false, int $quote_style = ENT_QUOTE
 }
 
 /**
- * @param string $str
- * @return string
+ * @param string|null $str
+ * @return string|null
  */
-function str_compact($str)
+function str_compact(string|null $str): ?string
 {
-    return preg_replace('#\s+#u', ' ', trim($str ?? ''));
+    $str ??= '';
+    return preg_replace('#\s+#u', ' ', trim($str));
 }
 
 /**