/**
* Prepare multiselect attribute value
*
* Backward compatibility with versions < 1.13.0.0
*
* @param mixed $value
* @param Varien_Object $object
* @return mixed
*/
protected function _prepareMultiselectValue($value, $object)
{
// just use the parent in case the method change in future versions
if (method_exists(get_parent_class($this), '_prepareMultiselectValue')) {
return parent::_prepareMultiselectValue($value, $object);
}
// reproduce functionality from 1.13
$attribute = $object->getResource()->getAttribute($this->getAttribute());
if ($attribute && $attribute->getFrontendInput() == 'multiselect') {
$value = strlen($value) ? explode(',', $value) : array();
}
return $value;
}
