YII CAPTCHA Options

We can customize the YII CAPTCHA by using its options.

 'captcha' => array(

                'class' => 'CCaptchaAction',

                'backColor' => 0xFFFFFF, // background color

                'foreColor' => 0x000000, // font color

                'transparent' => false, // background transparent

                'testLimit' => 1, // how many times should the same CAPTCHA be displayed

                'minLength' => 6, // min length of generated word

                'maxLength' => 7, // max length of generated word

                'width' => 100, // width of the CAPTCHA image

                'height' => 50, // height of the CAPTCHA image

                'offset' => -2, // space between characters

                'padding' => 4 // padding around the text

            ),