FOF30\Model\TreeModel::forceDelete PHP Метод

    public function forceDelete($id = null)
    {
        // Load the specified record (if necessary)
        if (!empty($id)) {
            $this->findOrFail($id);
        }
        $k = $this->getIdFieldName();
        $pk = !$id ? $this->{$k} : $id;
        // If no primary key is given, return false.
        if (!$pk) {
            throw new TreeUnexpectedPrimaryKey();
        }
        // Execute the logic only if I have a primary key, otherwise I could have weird results
        // Perform the checks on the current node *BEFORE* starting to delete the children
        try {
            $this->triggerEvent('onBeforeDelete', array(&$pk));
        } catch (\Exception $e) {
            return false;
        }
        $result = true;
        // Recursively delete all children nodes as long as we are not a leaf node
        if (!$this->isLeaf()) {
            // Get all sub-nodes
            $table = $this->getClone();
            $table->bind($this->getData());
            $subNodes = $table->getDescendants();
            // Delete all subnodes (goes through the model to trigger the observers)
            if (!empty($subNodes)) {
                /** @var TreeModel $item */
                foreach ($subNodes as $item) {
                    // We have to pass the id, so we are getting it again from the database.
                    // We have to do in this way, since a previous child could have changed our lft and rgt values
                    if (!$item->forceDelete($item->{$k})) {
                        // A subnode failed or prevents the delete, continue deleting other nodes,
                        // but preserve the current node (ie the parent)
                        $result = false;
                    }
                }
                // Load it again, since while deleting a children we could have updated ourselves, too
                $this->find($pk);
            }
        }
        if ($result) {
            $db = $this->getDbo();
            // Delete the row by primary key.
            $query = $db->getQuery(true);
            $query->delete();
            $query->from($this->getTableName());
            $query->where($db->qn($this->getIdFieldName()) . ' = ' . $db->q($pk));
            $db->setQuery($query)->execute();
            $this->triggerEvent('onAfterDelete', array(&$pk));
        }
        return $this;
    }