[5.0] Filter values of custom field, fix #42259 (#42285)

--------- Co-authored-by: Quy <[email protected]>
joomla · Nov 7, 2023 · 5acec35 · 5acec35
1 parent d2f6dd7
commit 5acec35
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/administrator/components/com_fields/src/Helper/FieldsHelper.php b/administrator/components/com_fields/src/Helper/FieldsHelper.php
@@ -227,7 +227,10 @@ function ($f) {
                     ]))->getArgument('result', []);
 
                     if (\is_array($value)) {
-                        $value = implode(' ', $value);
+                        $value = array_filter($value, function ($v) {
+                            return $v !== '' && $v !== null;
+                        });
+                        $value = $value ? implode(' ', $value) : '';
                     }
 
                     /*

diff --git a/administrator/components/com_fields/src/Plugin/FieldsPlugin.php b/administrator/components/com_fields/src/Plugin/FieldsPlugin.php
@@ -92,7 +92,7 @@ public function prepareField(PrepareFieldEvent $event)
     {
         $result = $this->onCustomFieldsPrepareField($event->getContext(), $event->getItem(), $event->getField());
 
-        if ($result) {
+        if ($result !== '' && $result !== null) {
             $event->addResult($result);
         }
     }