Piwik\Plugins\MobileMessaging\API::addPhoneNumber PHP Method

    public function addPhoneNumber($phoneNumber)
    {
        Piwik::checkUserIsNotAnonymous();
        $phoneNumber = self::sanitizePhoneNumber($phoneNumber);
        $verificationCode = "";
        for ($i = 0; $i < self::VERIFICATION_CODE_LENGTH; $i++) {
            $verificationCode .= mt_rand(0, 9);
        }
        $smsText = Piwik::translate('MobileMessaging_VerificationText', array($verificationCode, Piwik::translate('General_Settings'), Piwik::translate('MobileMessaging_SettingsMenu')));
        $this->sendSMS($smsText, $phoneNumber, self::SMS_FROM);
        $phoneNumbers = $this->retrievePhoneNumbers();
        $phoneNumbers[$phoneNumber] = $verificationCode;
        $this->savePhoneNumbers($phoneNumbers);
        $this->increaseCount(MobileMessaging::PHONE_NUMBER_VALIDATION_REQUEST_COUNT_OPTION, $phoneNumber);
        return true;
    }