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Re: [PHP] Telling users and machines apart

Posted by Merlin on 06/07/05 18:22

Burhan Khalid wrote:
> Merlin wrote:
>
>> Burhan Khalid wrote:
>>
>>> Merlin wrote:
>>>
>>>> Hi there,
>>>>
>>>> I am getting more and more emails through my webforms submited by bots.
>>>> It looks like some sites liky yahoo are placing an image into their
>>>> forms and the human has to enter a code visible on the image to
>>>> submit the form.
>>>> After some googling I found captcha, but I do not like the images.
>>>>
>>>> Do you know if there is a class available for PHP which does create
>>>> the image and does parts of the handling? That seems like a common
>>>> task to me. Maybe someone else already implemented such thing and
>>>> can recommend.
>>>
>>>
>>>
>>>
>>> There is Text_CAPTCHA at PEAR, but I haven't used it myself. I use
>>> my own little code snippet.
>>
>>
>>
>> That sounds intersting. Could you show me an online example of this?
>
>
> This is an example of what my script outputs :
> http://meidomus.com/code/captcha/ -- refresh to see different results.
>
> Source available if you are interested.

Hi Burhan,

looks interesting. Is this a lot of code?

Merlin

 

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