Wiki articles in category How-tos tagged with "captcha"

It is good when someone writes extensions for us but trust, sometimes we forget about other approaches that, if we know the library, we shouldn't forget.

In this wiki I will show how could use a Captcha in yii CForm. The easy way to show captcha image is create a form using CHtml method & CActiveForm, but CForm also should be able to show a captcha.

Like gmail, if you have tree or more unsuccessful login attemps a captcha appears