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To: "Nikita Popov" <nikita.ppv@gmail.com>
Cc: "internals@lists.php.net" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Ruby's symbols
From: inefedor@gmail.com (=?koi8-r?B?7snLydTBIO7FxsXEz9c=?=)

> On Sat, Jan 5, 2013 at 6:58 PM, Nikita Nefedov <inefedor@gmail.com>  
> wrote:
>
>> **
>> Though there would be a little speed-up because with Symbols array's
>> Buckets will keep numeric key, so instead of memcmp you will need to  
>> just
>> compare two longs when retrieving element.
>>
>
> Before memcmping the array keys PHP will first compare the pointers. For
> interned strings the pointers will be the same so the memcmp is not done.
> See http://lxr.php.net/xref/PHP_TRUNK/Zend/zend_hash.c#950.

My fault, didn't see it in the source...