SimpleCaptchaValidator

Implements \jelix\forms\Captcha\CaptchaValidatorInterface

package	jelix

called by the widget to initialize some data when the form is generated

initOnDisplay() : mixed

It can returns some data that can be useful for the widget, and which will be passed to validate() method ($internalData)

mixed

validate(string $value,  $internalData) : null|integer

It should returns null if it is ok, or one of jForms::ERRDATA_* constant

string

the value of the control if it exists

null|integer