public function getVariables()
    {
        $variables = array_merge(
            $this->getCategoryVariables(),
            $this->getProductVariables(),
            $this->getProductListVariables(),
            $this->getLayerVariables()
        );

        return $variables;
    }
public function getVariables()
    {
        $variables = array_merge(
            $this->getCategoryVariables(),
            $this->getProductVariables(),
            $this->getProductListVariables(),
            $this->getLayerVariables()
        );

        return $variables;
    }
public function getVariables ( ) { $ variables = array_merge ( $ this -> getCategoryVariables ( ) , $ this -> getProductVariables ( ) , $ this -> getProductListVariables ( ) , $ this -> getLayerVariables ( ) ) ; return $ variables ; }
Return the list of catalog related variables.

@return array
Return the list of catalog related variables .