$this mergeRules(string $attribute, string|array $rules = array()) Merge

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

$this after(callable|string $callback) After an after validation callback

Rule class Rule (

static array compiles() Get a list of files that should be compiled

void commands(array|mixed $commands) Register the package's custom Artisan

Illuminate\Validation Classes

void resolver(Closure $resolver)

Illuminate\Validation\Rules Classes

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