From: John Kingsnorth <john@johnkingsnorth.co.uk>
Date: Fri, 13 Jan 2023 12:06:54 +0000 (+0000)
Subject: PHP 8.1 compatibility improvement
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=f20ecd3f6fc06d81e160e2e2b3c3079ff4daa9fe;p=civicrm-core.git

PHP 8.1 compatibility improvement
---

diff --git a/CRM/Logging/Schema.php b/CRM/Logging/Schema.php
index bbe7801f21..f1f5847cc4 100644
--- a/CRM/Logging/Schema.php
+++ b/CRM/Logging/Schema.php
@@ -743,7 +743,7 @@ WHERE  table_schema IN ('{$this->db}', '{$civiDB}')";
           }
           elseif (
             $civiTableSpecs[$col]['COLUMN_DEFAULT'] != ($logTableSpecs[$col]['COLUMN_DEFAULT'] ?? NULL)
-            && !stristr($civiTableSpecs[$col]['COLUMN_DEFAULT'], 'timestamp')
+            && !stristr(($civiTableSpecs[$col]['COLUMN_DEFAULT'] ?? ''), 'timestamp')
             && !($civiTableSpecs[$col]['COLUMN_DEFAULT'] === NULL && ($logTableSpecs[$col]['COLUMN_DEFAULT'] ?? NULL) === 'NULL')
           ) {
             // if default property is different, and its not about a timestamp column, consider it