Captcha with PHP (Part 1)
Posted: February 26th, 2010 | Author: erwin | Filed under: PHP | Tags: GD Library, PHP | No Comments »Do you know Captcha?
Captcha is used to anti spam, with Captcha you can protect your form from spamming. Usually, if you want to submit a form, you must read combination codes and write it on text area. If match, the form will submitted and vice versa. It is used to detect you are machine or not.
On this post, I’ll show you how to create captcha with PHP. To make Captcha in PHP you must have GD library enabled on your PHP.ini setting. GD library is PHP extension to generate image on fly. To get captcha with PHP you need to create at least 3 PHP file.
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