UserModel::insertForBasic PHP Method

    public function insertForBasic($FormPostValues, $CheckCaptcha = true, $Options = [])
    {
        $RoleIDs = RoleModel::getDefaultRoles(RoleModel::TYPE_MEMBER);
        if (!is_array($RoleIDs) || count($RoleIDs) == 0) {
            throw new Exception(t('The default role has not been configured.'), 400);
        }
        if (val('SaveRoles', $Options)) {
            $RoleIDs = val('RoleID', $FormPostValues);
        }
        $UserID = false;
        // Define the primary key in this model's table.
        $this->defineSchema();
        // Add & apply any extra validation rules.
        if (val('ValidateEmail', $Options, true)) {
            $this->Validation->applyRule('Email', 'Email');
        }
        // TODO: DO I NEED THIS?!
        // Make sure that the checkbox val for email is saved as the appropriate enum
        if (array_key_exists('ShowEmail', $FormPostValues)) {
            $FormPostValues['ShowEmail'] = forceBool($FormPostValues['ShowEmail'], '0', '1', '0');
        }
        if (array_key_exists('Banned', $FormPostValues)) {
            $FormPostValues['Banned'] = forceBool($FormPostValues['Banned'], '0', '1', '0');
        }
        $this->addInsertFields($FormPostValues);
        if ($this->validate($FormPostValues, true) === true) {
            $Fields = $this->Validation->validationFields();
            // All fields on the form that need to be validated (including non-schema field rules defined above)
            $Username = val('Name', $Fields);
            $Email = val('Email', $Fields);
            $Fields = $this->Validation->schemaValidationFields();
            // Only fields that are present in the schema
            $Fields['Roles'] = $RoleIDs;
            unset($Fields[$this->PrimaryKey]);
            // If in Captcha registration mode, check the captcha value.
            if ($CheckCaptcha && Captcha::enabled()) {
                $captchaIsValid = Captcha::validate();
                if ($captchaIsValid !== true) {
                    $this->Validation->addValidationResult('Garden.Registration.CaptchaPublicKey', 'The captcha was not completed correctly. Please try again.');
                    return false;
                }
            }
            if (!$this->validateUniqueFields($Username, $Email)) {
                return false;
            }
            // Check for spam.
            if (val('ValidateSpam', $Options, true)) {
                $ValidateSpam = $this->validateSpamRegistration($FormPostValues);
                if ($ValidateSpam !== true) {
                    return $ValidateSpam;
                }
            }
            // Define the other required fields:
            $Fields['Email'] = $Email;
            // And insert the new user
            $UserID = $this->insertInternal($Fields, $Options);
            if ($UserID > 0 && !val('NoActivity', $Options)) {
                $ActivityModel = new ActivityModel();
                $ActivityModel->save(['ActivityUserID' => $UserID, 'ActivityType' => 'Registration', 'HeadlineFormat' => t('HeadlineFormat.Registration', '{ActivityUserID,You} joined.'), 'Story' => t('Welcome Aboard!')], false, ['GroupBy' => 'ActivityTypeID']);
            }
        }
        return $UserID;
    }