run() public method Renders the widget.

$verifyCode public read-only property The verification

renderImage() protected method Renders the CAPTCHA image

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

getClientOptions() protected method Returns the options

$captchaAction public property The route of the action that generates

validate() public method Validates the input to see if

generateValidationHash() public method Generates a hash

generateVerifyCode() protected method Generates a new

init() public method Initializes the object.