diff options
Diffstat (limited to 'app/controllers/admin/tree.php')
| -rw-r--r-- | app/controllers/admin/tree.php | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/app/controllers/admin/tree.php b/app/controllers/admin/tree.php index 1afc438..c8f2a8f 100644 --- a/app/controllers/admin/tree.php +++ b/app/controllers/admin/tree.php @@ -130,12 +130,15 @@ class Admin_TreeController extends AuthenticatedController $node->parent_id = Request::option('parent_id'); $parent = $classname::getNode(Request::option('parent_id')); - $maxprio = max(array_map( - function ($c) { - return $c->priority; - }, - $parent->getChildNodes() - )); + $children = $parent->getChildNodes(); + $maxprio = !empty($children) + ? max(array_map( + function ($c) { + return $c->priority; + }, + $children + )) + : 0; $node->priority = $maxprio + 1; if (Request::option('studip_object_id')) { |