FUDforum: comp.lang.php » Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column?

Home » Imported messages » comp.lang.php » Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column?

Show: Today's Messages :: Polls :: Message Navigator

Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? [message #178396 is a reply to message #178386]

Wed, 13 June 2012 11:09

Captain Paralytic
Messages: 204
Registered: September 2010

Karma:

Senior Member

On Jun 12, 7:47 pm, "ku...@pobox.com" <ku...@pobox.com> wrote:
>> No, hashes can never guaranteed to be unique.
>
> I opted to use
>
> md5(uniqid());
>
> to create a unique key.

Why bother hashing it, why not just use the uniqid() value directly?

Report message to a moderator

[Message index]

		Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: kurtk(at)pobox(dot)com on Tue, 12 June 2012 00:16
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Jerry Stuckle on Tue, 12 June 2012 00:24
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: kurtk(at)pobox(dot)com on Tue, 12 June 2012 18:47
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Jerry Stuckle on Tue, 12 June 2012 19:06
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Peter H. Coffin on Tue, 12 June 2012 19:26
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Jerry Stuckle on Tue, 12 June 2012 23:34
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Captain Paralytic on Wed, 13 June 2012 11:09
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Goran on Wed, 13 June 2012 11:40
		Re: Is spl_object_hash unique in the SQL sense? Can it be used as a unique SQL db column? By: Captain Paralytic on Tue, 19 June 2012 10:32

Previous Topic:	Best practice, (secure), to save session data?
Next Topic:	runkit

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

]

Current Time: Fri Nov 22 09:21:55 GMT 2024

Total time taken to generate the page: 0.04598 seconds