ActiveRecord\HasMany::set_keys PHP Method

    protected function set_keys($model_class_name, $override = false)
    {
        //infer from class_name
        if (!$this->foreign_key || $override) {
            $this->foreign_key = array(Inflector::instance()->keyify($model_class_name));
        }
        if (!$this->primary_key || $override) {
            $this->primary_key = Table::load($model_class_name)->pk;
        }
    }