validateValue() protected method Validates a value.

$skipOnEmpty public property Whether to skip this validator if

$testLimit public property How many times should the same CAPTCHA

setHttpHeaders() protected method Sets the HTTP headers

$fontFile public property The TrueType font file. This can be

$height public property The height of the generated CAPTCHA image

$width public property The width of the generated CAPTCHA image

renderImageByGD() protected method Renders the CAPTCHA

$depends public property public

clientValidateAttribute() public method Returns the JavaScript