Re: Do symbol references always go through a hash table?
| From: | Sara Golemon | Date: | Wed, 18 May 2016 03:06:01 +0000 |
| Subject: | Re: Do symbol references always go through a hash table? | ||
| References: | 1 2 3 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-93390@lists.php.net to get a copy of this message | ||
On Tue, May 17, 2016 at 7:51 PM, Jesse Schalken <me@jesseschalken.com> wrote:
> Does that mean a function which accepts an instance of an interface and
> calls a method on it will have to do a full lookup of the method whenever
> the concrete class isn't the same as when that function was first executed?
> (or was last executed, depending on how the cache works)
>
Yes, but that doesn't mean you should micro-optimize around it. Just
write code that's easy to maintain and trust the compiler to do the
best job at making it not-slow. :)
-Sara