Posted by trlists on 02/08/05 19:16

On 8 Feb 2005 Greg Donald wrote:

> It's pretty simple to scrub the data away.
>
> $cc = '1234123412341234';
>
> // do processing
>
> $cc = md5( time() );

This only works if PHP uses the same storage for both strings. If it
reallocates the storage, for example because the md5 result is longer,
then the number may remain in RAM.

--
Tom

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