Themosis\Validation\ValidationBuilder::validate_alpha PHP 메소드

Validate a value with only alphabetic characters.

protected validate_alpha ( string $data, array $attributes = [] ) : string
$data	string	The data to validate.
$attributes	array
리턴	string

    protected function validate_alpha($data, array $attributes = [])
    {
        return ctype_alpha($data) ? $data : '';
    }

ValidationBuilder