In the past we posted PHP code to generate CAPTCHA, and here is a small fix to the code that will make it more secure.
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January 05, 2012
In the past we posted PHP code to generate CAPTCHA, and here is a small fix to the code that will make it more secure.
Add a comment (6) 17,564 Views Read moreOctober 05, 2009
In last article I explained what CAPTCHA is and why it is used (you can find that article here). Here I will provide PHP code that crates and uses CAPTCHA.
Add a comment (40) 318,233 Views Read moreSeptember 22, 2009
CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. This is a challenge-response test used on web-forms to ensure that the form is filed in by a human being, or in other words it is a form of protection from bots (computers) filling out forms.
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