YuCheng Hu
1ec191d88b
+YUCHENG HU+ git-svn-id: https://svn.code.sf.net/p/hawebs/svn@423 a2543c7e-f6e9-4f8a-8bff-1ffc34733512
122 lines
2.7 KiB
PHP
122 lines
2.7 KiB
PHP
<?php
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/**
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* Piwik - Open source web analytics
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
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* @version $Id: Option.php 2266 2010-06-03 17:47:32Z vipsoft $
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*
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* @category Piwik
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* @package Piwik
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*/
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/**
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* Piwik_Option provides a very simple mechanism to save/retrieve key-values pair
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* from the database (persistent key-value datastore).
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*
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* This is useful to save Piwik-wide preferences, configuration values.
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*
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* This should not be used to store user preferences nor website preferences.
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*
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* @package Piwik
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*/
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class Piwik_Option
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{
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private $all = array();
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static private $instance = null;
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/**
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* @return Piwik_Option
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*/
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static public function getInstance()
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{
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if (self::$instance == null)
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{
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$c = __CLASS__;
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self::$instance = new $c();
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}
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return self::$instance;
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}
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private function __construct() {}
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/**
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* Returns the option value for the requested option $name
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*
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* @param string $name
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* @return string|false if not found
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*/
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public function get($name)
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{
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$this->autoload();
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if(isset($this->all[$name]))
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{
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return $this->all[$name];
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}
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$value = Piwik_FetchOne( 'SELECT option_value
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FROM `' . Piwik_Common::prefixTable('option') . '`
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WHERE option_name = ?', $name);
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if($value === false)
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{
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return false;
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}
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$this->all[$name] = $value;
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return $value;
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}
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/**
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* Sets the option value in the database
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*
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* @param string $name
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* @param string $value
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* @param int $autoload if set to 1, this option value will be automatically loaded; should be set to 1 for options that will always be used in the Piwik request.
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*/
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public function set($name, $value, $autoload = 0)
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{
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$autoload = (int)$autoload;
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Piwik_Query('INSERT INTO `'. Piwik_Common::prefixTable('option') . '` (option_name, option_value, autoload) '.
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' VALUES (?, ?, ?) '.
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' ON DUPLICATE KEY UPDATE option_value = ?',
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array($name, $value, $autoload, $value));
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$this->all[$name] = $value;
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}
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private function autoload()
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{
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static $loaded = false;
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if($loaded)
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{
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return;
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}
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$all = Piwik_FetchAll('SELECT option_value, option_name
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FROM `'. Piwik_Common::prefixTable('option') . '`
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WHERE autoload = 1');
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foreach($all as $option)
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{
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$this->all[$option['option_name']] = $option['option_value'];
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}
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$loaded = true;
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}
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/**
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* Clears the cache
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* Used in unit tests to reset the state of the object between tests
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*
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* @return void
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*/
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public function clearCache()
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{
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$this->all = array();
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}
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}
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function Piwik_GetOption($name)
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{
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return Piwik_Option::getInstance()->get($name);
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}
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function Piwik_SetOption($name, $value, $autoload = 0)
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{
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Piwik_Option::getInstance()->set($name, $value, $autoload);
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}
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