Re: Type casting syntax
| From: | Mike Schinkel | Date: | Mon, 12 Jul 2021 20:20:32 +0000 |
| Subject: | Re: Type casting syntax | ||
| References: | 1 2 3 4 5 6 7 8 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-115415@lists.php.net to get a copy of this message | ||
> On Jul 12, 2021, at 1:56 PM, Max Semenik <maxsem.wiki@gmail.com> wrote:
>
> On Mon, Jul 12, 2021 at 8:01 PM Mike Schinkel <mike@newclarity.net
> <mailto:mike@newclarity.net>> wrote:
> Additionally in Go a type assertion can return a second value which is boolean telling if the
> type assertion succeeded. Not having this would effectively moot the benefit to a type assertion if
> you had to wrap with try{}catch{} in case it failed.
>
> Not necessarily:
>
> if ($obj instanceof MyClass) {
> // We know its type here
> } else {
> // Try something else
> }
Well there you go.
It seems you have just illustrated why in reality we really do not need type casting/assertions in
PHP given its current features, because we already have what we need.
-Mike