static function enable(string $name) {
        if (!isset(self::$_captchaList[$name])) {
            Console::warning("Captcha generator \"$name\" do not exist.");
            return;
        }
        self::$_enableList = self::$_enableList + [$name];
    }
static function enable(string $name) {
        if (!isset(self::$_captchaList[$name])) {
            Console::warning("Captcha generator \"$name\" do not exist.");
            return;
        }
        self::$_enableList = self::$_enableList + [$name];
    }
static function enable ( string $ name ) { if ( ! isset ( self :: $ _captchaList [ $ name ] ) ) { Console :: warning ( "Captcha generator \"$name\" do not exist." ) ; return ; } self :: $ _enableList = self :: $ _enableList + [ $ name ] ; }
Mark a captcha generator as enabled.

@param string $name
Mark a captcha generator as enabled .