Piwik\Plugins\SitesManager\API::setSettingValue PHP Method

    private function setSettingValue($fieldName, $value, $settingValues)
    {
        $pluginName = 'WebsiteMeasurable';
        if (empty($settingValues[$pluginName])) {
            $settingValues[$pluginName] = array();
        }
        $found = false;
        foreach ($settingValues[$pluginName] as $key => $setting) {
            if ($setting['name'] === $fieldName) {
                $setting['value'] = $value;
                $found = true;
                break;
            }
        }
        if (!$found) {
            $settingValues[$pluginName][] = array('name' => $fieldName, 'value' => $value);
        }
        return $settingValues;
    }