Eccube\Entity\Product::getClassCategories2 PHP Method

    public function getClassCategories2($class_category1)
    {
        $this->_calc();
        return isset($this->classCategories2[$class_category1]) ? $this->classCategories2[$class_category1] : array();
    }

 /**
  * {@inheritDoc}
  */
 public function getClassCategories2($class_category1)
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'getClassCategories2', array($class_category1));
     return parent::getClassCategories2($class_category1);
 }