protected function getRule($attribute, $rules)
{
if (!array_key_exists($attribute, $this->rules)) {
return;
}
$rules = (array) $rules;
foreach ($this->rules[$attribute] as $rule) {
list($rule, $parameters) = $this->parseRule($rule);
if (in_array($rule, $rules, true)) {
return [$rule, $parameters];
}
}
}