Product::loadAttributes PHP Метод

    protected function loadAttributes()
    {
        if (null === $this->_attributesValues) {
            $this->_attributesValues = [];
            foreach ($this->attributesValues as $attribute) {
                //собираем массив multiple values attributes
                if ($attribute->attribute->isMultipleValues()) {
                    $this->_attributesValues[$attribute->attribute->name][] = $attribute;
                } else {
                    $this->_attributesValues[$attribute->attribute->name] = $attribute;
                }
            }
        }
    }