$password = self::$validator->isString('password'); $result = $password->isRequired()->isBetween(5, 72, true)->isAlphanumeric()->validate($request->password); $this->isValid = $this->isValid && $result; $this->errors = array_merge($this->errors, $password->getErrors()); } /** * Validates is a username has alphanumeric values and is between 3 to 12 characters long. * * @param Request $request * * @return boolean|null */ private function validateUsername(Request $request) { $username = self::$validator->isString('username'); $result = $username->isRequired()->isAlpha()->isBetween(4, 12, true)->validate($request->username); $this->isValid = $this->isValid && $result; $this->errors = array_merge($this->errors, $username->getErrors()); } } $userValidator = new UserValidator(); $request1 = new Request('nilportugues', 'password', '*****@*****.**', '1'); $request2 = new Request('nil', 'password', 'not-an-email.com', ''); var_dump($userValidator->validate($request1)); //true print_r($userValidator->getErrors()); //no errors var_dump($userValidator->validate($request2)); //false print_r($userValidator->getErrors()); //array with errors