init() public method Initializes the widget.

run() public method Renders the widget.

registerClientScript() public method Registers the needed

$template public property The template for arranging the CAPTCHA

$maxLength public property The maximum length for randomly generated

$minLength public property The minimum length for randomly generated

$options public property The HTML attributes for the input tag

$caseSensitive public property Whether the comparison is case

$offset public property The offset between characters. Defaults

$captchaAction public property The route of the controller action