$template public property The template for arranging the CAPTCHA

$verifyCode public read-only property The verification

getVerifyCode() public method Gets the verification code

init() public method Initializes the object.

generateVerifyCode() protected method Generates a new

renderImage() protected method Renders the CAPTCHA image

generateValidationHash() public method Generates a hash

$captchaAction public property The route of the action that generates

$foreColor public property The font color. For example, 0x55FF00

$imageOptions public property HTML attributes to be applied to