public function sometimes($attribute, $rules = [])
    {
        $callback = function () {
            return true;
        };
        $this->validator->sometimes($attribute, $rules, $callback);
        $this->rules->addConditionalRules($attribute, (array) $rules);
    }
public function sometimes($attribute, $rules = [])
    {
        $callback = function () {
            return true;
        };
        $this->validator->sometimes($attribute, $rules, $callback);
        $this->rules->addConditionalRules($attribute, (array) $rules);
    }
public function sometimes ( $ attribute , $ rules = [ ] ) { $ callback = function ( ) { return true ; } ; $ this -> validator -> sometimes ( $ attribute , $ rules , $ callback ) ; $ this -> rules -> addConditionalRules ( $ attribute , ( array ) $ rules ) ; }
Validate Conditional Validations using Ajax in specified fields.

@param string $attribute
@param string|array $rules
@return void
Validate Conditional Validations using Ajax in specified fields .