www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/How to install Piwik.html/piwik/core/Settings/StorageInterface.php
<?php /** * Created by PhpStorm. * User: thomassteur * Date: 25.10.13 * Time: 13:33 */ namespace Piwik\Settings; /** * Base type of all Setting storage implementations. */ interface StorageInterface { /** * Gets the current value for this setting. If no value is specified, the default value will be returned. * * @param Setting $setting * * @return mixed * * @throws \Exception In case the setting does not exist or if the current user is not allowed to change the value * of this setting. */ public function getSettingValue(Setting $setting); /** * Removes the value for the given setting. Make sure to call `save()` afterwards, otherwise the removal has no * effect. * * @param Setting $setting */ public function removeSettingValue(Setting $setting); /** * Sets (overwrites) the value for the given setting. Make sure to call `save()` afterwards, otherwise the change * has no effect. Before the value is saved a possibly define `validate` closure and `filter` closure will be * called. Alternatively the value will be casted to the specfied setting type. * * @param Setting $setting * @param string $value * * @throws \Exception In case the setting does not exist or if the current user is not allowed to change the value * of this setting. */ public function setSettingValue(Setting $setting, $value); /** * Saves (persists) the current setting values in the database. */ public function save(); }