/**
* Update the condition value to ignore empty array items.
*
* @param ProductCondition $productCondition Product condition.
*
* @return $this
*/
private function prepareFieldValue(ProductCondition $productCondition)
{
$value = $productCondition->getValue();
if (is_array($value)) {
$value = array_filter($value);
}
$productCondition->setValue($value);
return $this;
}
