allow empty site list (#17693)

* allow empty site list

* no null in $segmentIds

1 files changed, 6 insertions, 2 deletions

diff --git a/plugins/CoreConsole/Commands/CoreArchiver.php b/plugins/CoreConsole/Commands/CoreArchiver.php
index ad16b543e4..9f4f3cd877 100644
--- a/plugins/CoreConsole/Commands/CoreArchiver.php
+++ b/plugins/CoreConsole/Commands/CoreArchiver.php
@@ -56,8 +56,12 @@ class CoreArchiver extends ConsoleCommand
         $archiveFilter->setForceReport($input->getOption('force-report'));
 
         $segmentIds = $input->getOption('force-idsegments');
-        $segmentIds = explode(',', $segmentIds);
-        $segmentIds = array_map('trim', $segmentIds);
+        if (!empty($segmentIds)) {
+            $segmentIds = explode(',', $segmentIds);
+            $segmentIds = array_map('trim', $segmentIds);
+        } else {
+            $segmentIds = [];
+        }
         $archiveFilter->setSegmentsToForceFromSegmentIds($segmentIds);
 
         $archiver->setArchiveFilter($archiveFilter);