On Thu, Apr 30, 2015 at 7:35 AM, Levi Morrison <le...@php.net> wrote:
> This numeric type is a type of int or float. There is a formal name > for such types: union types. Some languages have syntax for union > types that would look like this: int | float. I have a draft RFC for > this subject: https://wiki.php.net/rfc/union_types. Union types would > be useful for other common cases as well, such as `Foo | null` or > `array | Traversable`. > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > Yes, this a union type. As I understand the request, the union type definition would look like int|float| string where is_numeric(string) is true. According to the definition of is_numeric, it does not check to see if the string can be cast into an int or float, only that it could parsed an stuffed into a bignum or GMP object. Walter -- The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding. -- Justice Louis D. Brandeis
