/**
* Filter input from un allowed fields for model
*
* @param array $input
* @return array
*/
public function onlyFillable(array $input)
{
$result = array_intersect_key($input, array_flip($this->modelInstance->getFillable()));
foreach ($this->avoidEmptyUpdate as $avoid) {
if (array_key_exists($avoid, $result) && empty($result[$avoid])) {
unset($result[$avoid]);
}
}
return $result;
}
