Exists class Exists (
$this whereNull(string $column) Set a "where null" constraint on the query
$this height(int $value) Set the "height" constraint.
array queryCallbacks() Get the custom query callbacks for the rule.
$this whereNot(string $column, string $value) Set a "where not" constraint
void __construct(array $values) Create a new in rule instance.
$this using(Closure $callback)
NotIn class NotIn (
string __toString() Convert the rule to a validation string.
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