I actually just got back from the PHPCon convention in Milbrae (South San
Francisco), Ca. I honestly forget who suggested the idea, it may have been
Rasmus himself (my short term memory is shot), but the idea mentioned was
to have some random text pushed into a GD call to automatically generate
the image. Obviously then, if you supply the data to GD, you can verify
the input as well.
Voila!
-Dash
Weiler's Law:
Nothing is impossible for the man who doesn't have to do it
himself.
On Thu, 24 Oct 2002, Blue Presley wrote:
> Yahoo and a couple other companies use boxes to help block spam. before
> posting an ad on their classifieds, you see a box with word in it.. it's a
> graphic. and you have to type the letters or words from the box into a
> text box to proceed, and that ensures that a real person is at the
> keyboard. anyone know how this can be accomplished in PHP?
>
> thx
>
> blue
>
>
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