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Posted by Chris on 10/14/43 11:27
Dragan Stanojevic - Nevidljivi wrote:
> Hi Chris,
>
> Chris wrote:
>
>> Pretty soon I'm going to be needing to generate a unique identifier
>> in a script. I'm looking into how to go about doing it now.
>>
>> It has to work on Apache 2 / PHP 5.0.4 (Module) / Windows 2000 Server.
>>
>> Any suggestions on how I might be able to do it?
>>
>> I'd appreciate any help you could give me.
>
>
> What you need is called hash function (function for creating keys in
> hash tables). In PHP manual they are categorized under String
> functions...
>
> The way they work is that for any given string they return a (index)
> number (it can be shown a string of hex numbers) which is unique or
> almost unique (depending on the algorithm).
>
> The ones you may be interested are: md5, sha1, crc32
>
> http://www.php.net/md5
> http://www.php.net/sha1
> http://www.php.net/crc32
>
> Failing those, you may use mhash functions:
> http://www.php.net/manual/en/ref.mhash.php
>
> Hope this will help you a little,
> N::
I think you may have misunderstood me, sorry. I need to generate a
unique string, to use as an identifier, in a script, not something to
identify the script itself. A hash won't work for that.
Thanks anyway though.
Chris
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