From 201d1f9972d0426b37c07708a9543986ce8f4b2d Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Thu, 4 Nov 2021 17:23:45 +0100
Subject: [PATCH] Fix PHP8.0 error (TypeError): strlen(): Argument #1 ($string)
 must be of type string, array given

---
 api/src/Storage/Base.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/src/Storage/Base.php b/api/src/Storage/Base.php
index 655d7dd965..3fa3d70d27 100644
--- a/api/src/Storage/Base.php
+++ b/api/src/Storage/Base.php
@@ -632,7 +632,7 @@ class Base
 					{
 						continue;	// no need to write that (unset) column
 					}
-					if ($this->table_def['fd'][$db_col]['type'] == 'varchar' &&
+					if ($this->table_def['fd'][$db_col]['type'] == 'varchar' && is_string($this->data[$col]) &&
 						strlen($this->data[$col]) > $this->table_def['fd'][$db_col]['precision'])
 					{
 						// truncate the field to mamimum length, if upper layers didn't care