MDL-74358 availability: Avoid php8 problem with array_values(null)

2022-06-17 11:09:53 +02:00
parent 8303206ae0
commit 78cbd77c0d
1 changed files with 1 additions and 1 deletions
@@ -684,7 +684,7 @@ class tree extends tree_node {
            } else {
                unset($this->children[$index]);
                unset($this->showchildren[$index]);
-                $this->showchildren = array_values($this->showchildren);
+                $this->showchildren = !is_null($this->showchildren) ? array_values($this->showchildren) : null;
                $changed = true;
            }
        }