found an error in filterColumn to wherein

[chrisho]

->filterColumn('prod_id', 'whereIn', 'prod_id', '38,42,16')

it show error: Argument 1 passed to Illuminate\Database\Grammar::parameterize() must be of the type array, string given, called in E:\web\sudehuishou\vendor\laravel\framework\src\Illuminate\Database\Query\Grammars\Grammar.php on line 311 and defined