$captchaAction public property The route of the action that generates

init() public method Initializes the object.

$imageOptions public property HTML attributes to be applied to

$padding public property Padding around the text. Defaults to

validateValue() protected method Validates a value.

init() public method Initializes the action.

getSessionKey() protected method Returns the session variable

$fixedVerifyCode public property The fixed verification code.

run() public method Runs the action.

renderImageByImagick() protected method Renders the CAPTCHA