Re: Re: referencing Superglobals with variable variables inside functions
| From: | Sara Golemon | Date: | Tue, 01 Feb 2005 14:59:15 +0000 |
| Subject: | Re: Re: referencing Superglobals with variable variables inside functions | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-14467@lists.php.net to get a copy of this message | ||
>> how much does this patch slow execution down? it's one more hash lookup.
>> affect speed of $var or $$var? or both?
>>
> AFAICS, it should make every local-variable (non-global) lookup slower.
> Since it needs to do a lookup in the globals table first.
>
Slows the global ones too, though that can be reduced (while slightly
worsening the non-global lookups) by not bothering to lookup the auto_global
table if we're in the global scope already...
-Sara