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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* Simple class to access the configuration file
*
* This is essentially a simple version of Zend_Config that we wrote
* because of performance reasons.
* The Tracker module can't afford a dependency with the Zend_Framework.
*
* It's using the php.net/parse_ini_file function to parse the configuration files.
* It can be used to access both user config.ini.php and piwik global.ini.php config file.
*
* @package Piwik
* @subpackage Piwik_Tracker
*/
class Piwik_Tracker_Config
{
static private $instance = null;
/**
* Returns singleton
*
* @return Piwik_Tracker_Config
*/
static public function getInstance()
{
if (self::$instance == null)
{
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
/**
* Contains configuration files values
*
* @var array
*/
public $config = array();
protected $initialized = false;
public function init($pathIniFileUser = null, $pathIniFileGlobal = null)
{
if(is_null($pathIniFileGlobal))
{
$pathIniFileGlobal = PIWIK_USER_PATH . '/config/global.ini.php';
}
$this->configGlobal = _parse_ini_file($pathIniFileGlobal, true);
if(is_null($pathIniFileUser))
{
$pathIniFileUser = PIWIK_USER_PATH . '/config/config.ini.php';
}
$this->configUser = _parse_ini_file($pathIniFileUser, true);
if($this->configUser)
{
foreach($this->configUser as $section => &$sectionValues)
{
foreach($sectionValues as $name => &$value)
{
if(is_array($value))
{
$value = array_map("html_entity_decode", $value);
}
else
{
$value = html_entity_decode($value);
}
}
}
}
$this->initialized = true;
}
/**
* Magic get methods catching calls to $config->var_name
* Returns the value if found in the
*
* @param string $name
* @return mixed The value requested, usually a string
* @throws exception if the value requested not found in both files
*/
public function __get( $name )
{
if(!$this->initialized)
{
$this->init();
}
$section = array();
if(isset($this->configGlobal[$name]))
{
$section = array_merge($section, $this->configGlobal[$name]);
}
if(isset($this->configUser[$name]))
{
$section = array_merge($section, $this->configUser[$name]);
}
if(isset($this->config[$name]))
{
$section = array_merge($section, $this->config[$name]);
}
return count($section) ? $section : null;
}
/**
* If called, we use the database_tests credentials
* and test configuration overrides
*/
public function setTestEnvironment($configTest = array())
{
$this->database = $this->database_tests;
$this->config = $configTest;
}
}
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