protected function parse_upc()
{
parent::parse_upc();
$this->toUPCA();
if ($this->upca) {
$this->man = substr($this->upca, 1, 5);
$this->prod = substr($this->upca, 6, 5);
}
}
/**
* Parse the components of a UPC. For UPC-A
* get the manufacturer's id and the product code
*/
protected function parse_upc()
{
parent::parse_upc();
$this->man = self::parse_man($this->upc);
$this->prod = self::parse_prod($this->upc);
}