array queryCallbacks() Get the custom query callbacks for the rule.

$this where(string $column, string $value = null) Set a "where" constraint

$this whereNull(string $column) Set a "where null" constraint on the query

Exists class Exists (

NotIn class NotIn (

void __construct(array $values) Create a new in rule instance.

$this whereNot(string $column, string $value) Set a "where not" constraint

string __toString() Convert the rule to a validation string.

$this using(Closure $callback)

$this using(Closure $callback)