From 3f5b34fc1ffa22203bbaa80364a9d47757e7827c Mon Sep 17 00:00:00 2001
From: ErickSkrauch <erickskrauch@yandex.ru>
Date: Tue, 9 Jan 2018 01:23:11 +0300
Subject: [PATCH] =?UTF-8?q?=D0=A3=D1=87=D0=B8=D1=82=D1=8B=D0=B2=D0=B0?=
 =?UTF-8?q?=D0=B5=D0=BC=20=D0=B2=D0=B5=D1=80=D0=BE=D1=8F=D1=82=D0=BD=D0=BE?=
 =?UTF-8?q?=D1=81=D1=82=D1=8C=20=D0=BF=D0=BE=D0=BB=D1=83=D1=87=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D1=8F=20null-=D0=B5=D0=B2=D0=BE=D0=B3=D0=BE=20=D0=B7?=
 =?UTF-8?q?=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D1=8F=20=D0=B2=20=D0=BD?=
 =?UTF-8?q?=D0=B0=D1=88=D1=83=20=D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0?=
 =?UTF-8?q?=D1=86=D0=B8=D1=8E=20trim?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common/helpers/StringHelper.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/common/helpers/StringHelper.php b/common/helpers/StringHelper.php
index 70d648e..97be7b1 100644
--- a/common/helpers/StringHelper.php
+++ b/common/helpers/StringHelper.php
@@ -49,7 +49,11 @@ class StringHelper {
      * @param  string $string string to remove whitespaces
      * @return string trimmed $string
      */
-    public static function trim(string $string): string {
+    public static function trim(?string $string): string {
+        if ($string === null) {
+            return '';
+        }
+
         return preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $string);
     }