public function fixTree()
    {
        $columns = [
            $this->model->getKeyName(),
            $this->model->getParentIdName(),
            $this->model->getLftName(),
            $this->model->getRgtName(),
        ];

        $dictionary = $this->model->newNestedSetQuery()
                                  ->defaultOrder()
                                  ->get($columns)
                                  ->groupBy($this->model->getParentIdName())
                                  ->all();

        return self::fixNodes($dictionary);
    }
public function fixTree()
    {
        $columns = [
            $this->model->getKeyName(),
            $this->model->getParentIdName(),
            $this->model->getLftName(),
            $this->model->getRgtName(),
        ];

        $dictionary = $this->model->newNestedSetQuery()
                                  ->defaultOrder()
                                  ->get($columns)
                                  ->groupBy($this->model->getParentIdName())
                                  ->all();

        return self::fixNodes($dictionary);
    }
public function fixTree ( ) { $ columns = [ $ this -> model -> getKeyName ( ) , $ this -> model -> getParentIdName ( ) , $ this -> model -> getLftName ( ) , $ this -> model -> getRgtName ( ) , ] ; $ dictionary = $ this -> model -> newNestedSetQuery ( ) -> defaultOrder ( ) -> get ( $ columns ) -> groupBy ( $ this -> model -> getParentIdName ( ) ) -> all ( ) ; return self :: fixNodes ( $ dictionary ) ; }
Fixes the tree based on parentage info.

Nodes with invalid parent are saved as roots.

@return int The number of fixed nodes
Fixes the tree based on parentage info .