small fix

NatLibFi · May 23, 2024 · 5350495 · 5350495
1 parent 9b444f3
commit 5350495
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/RecordManager/Base/Record/Ead3.php b/src/RecordManager/Base/Record/Ead3.php
@@ -531,7 +531,7 @@ protected function getHierarchyFields(array &$data): void
             $seqLabel = $this->getDriverParam('sequenceUnitIdLabel', 'sequence');
             if ($seqLabel) {
                 foreach ($this->doc->did->unitid ?? [] as $unitId) {
-                    $firstId = $firstId ?: $unitId;
+                    $firstId = $firstId ?: (string)$unitId;
                     if ($seqLabel === (string)$unitId->attributes()->label) {
                         $sequenceUnitId = (string)$unitId;
                         $data['hierarchy_sequence']