public function getValue() { if (!$this->getIsValueParsed()) { switch ($this->getAttribute()) { case 'customer_group_condition': $value = $this->getData('value'); if (!$value) { break; } $value = reset($value); if (!$value) { break; } $this->setValue(explode(',', $value)); $this->setIsValueParsed(true); break; } } return parent::getValue(); }