Laravel驗證 - 輸入必須在陣列

Question

項目之一有一個內置的驗證程序Laravel 5，檢查是否值在我的白名單中值的數組排序的說話..喜歡的東西：

$rules = [ 
    'field_name' => "required|in_array('yes', 'no', 'maybe')", 
]; 

Answer 1

有in

$rules = [ 
    'field_name' => "required|in:yes,no,maybe", 
];