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Validating an Image of Characters (COPA)
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Join Date: Dec 2007
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Hi guys
You know when you enter a registration page with a textbox saying enter the characters that corespond to the image. I heard its called COPA or something.
Anyone has any tutorials on how to make a page like this?
Thankyou, Regards X
You know when you enter a registration page with a textbox saying enter the characters that corespond to the image. I heard its called COPA or something.
Anyone has any tutorials on how to make a page like this?
Thankyou, Regards X
"You never stop learning." - OmniX
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Join Date: Jul 2008
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hello..
that is CAPTCHA ..means creating dynamic number on an image...
It is used to prevent spam abuse on the websites
For more information:
http://www.webcheatsheet.com/PHP/cre...protection.php
that is CAPTCHA ..means creating dynamic number on an image...
It is used to prevent spam abuse on the websites
For more information:
http://www.webcheatsheet.com/PHP/cre...protection.php
Be intelligent, But Don't try to cheat.. Be innocent But Don't get cheated..
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Shanti you might be able to help me or if anyone else can.
I did the below tutorial (which was very helpful btw) but I was unable to produce the CAPTCHA within an html page it becomes as JARGAN instead of an IMAGE (I can get an image).
It may also help to mention I have the php and html all in the same page.
I did the below tutorial (which was very helpful btw) but I was unable to produce the CAPTCHA within an html page it becomes as JARGAN instead of an IMAGE (I can get an image).
It may also help to mention I have the php and html all in the same page.
Last edited by OmniX; Oct 9th, 2008 at 12:27 pm.
"You never stop learning." - OmniX
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Junior Poster in Training
What is a JARGAN?
In order for CAPTCHA to work, you need to have GD support in PHP enabled on your server. It has been included with PHP since version 4.3, but it might not be enabled.
You might not have that with free hosting services. If you are not seeing CAPTCHA characters, then check with your hosting company about GD support.
In order for CAPTCHA to work, you need to have GD support in PHP enabled on your server. It has been included with PHP since version 4.3, but it might not be enabled.
You might not have that with free hosting services. If you are not seeing CAPTCHA characters, then check with your hosting company about GD support.
Try http://recaptcha.net for a free captcha library. Using this library aides in the digitizing of books. Also, the image generation is handled by their servers, not yours.
Last edited by scru; Oct 9th, 2008 at 1:38 pm.
Make sure you have the GD library installed/configured on your server to use the first example.
Last edited by Will Gresham; Oct 9th, 2008 at 1:37 pm.
AJAX is not a programming language, scripting language or any other sort of language.
It is acheived by using JavaScript http functions.
So, AJAX = JavaScript.
It is acheived by using JavaScript http functions.
So, AJAX = JavaScript.
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Thanks guys for the information.
But I found the solution in another tutorial.
I didnt realize you cannot mix the php code to generate an image and the html code.
It has to be imported using an img tag.
Anyways problem solved and I just gota try getting it working now.
Thanks, Regards X
But I found the solution in another tutorial.
I didnt realize you cannot mix the php code to generate an image and the html code.
It has to be imported using an img tag.
Anyways problem solved and I just gota try getting it working now.
Thanks, Regards X
"You never stop learning." - OmniX
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