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<?php
/**
* @package Joomla.Libraries
* @subpackage Version
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Version information class for the Joomla CMS.
*
* @since 1.0
*/
final class JVersion
{
/** @var string Product name. */
public $PRODUCT = 'Joomla!';
/** @var string Release version. */
public $RELEASE = '3.4';
/** @var string Maintenance version. */
public $DEV_LEVEL = '4';
/** @var string Development STATUS. */
public $DEV_STATUS = 'Stable';
/** @var string Build number. */
public $BUILD = '';
/** @var string Code name. */
public $CODENAME = 'Ember';
/** @var string Release date. */
public $RELDATE = '8-September-2015';
/** @var string Release time. */
public $RELTIME = '21:30';
/** @var string Release timezone. */
public $RELTZ = 'GMT';
/** @var string Copyright Notice. */
public $COPYRIGHT = 'Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.';
/** @var string Link text. */
public $URL = '<a href="http://www.joomla.org">Joomla!</a> is Free Software released under the GNU General Public License.';
/**
* Check if we are in development mode
*
* @return boolean
*
* @since 3.4.3
*/
public function isInDevelopmentState()
{
return strtolower($this->DEV_STATUS) != 'stable';
}
/**
* Compares two a "PHP standardized" version number against the current Joomla version.
*
* @param string $minimum The minimum version of the Joomla which is compatible.
*
* @return boolean True if the version is compatible.
*
* @see http://www.php.net/version_compare
* @since 1.0
*/
public function isCompatible($minimum)
{
return version_compare(JVERSION, $minimum, 'ge');
}
/**
* Method to get the help file version.
*
* @return string Version suffix for help files.
*
* @since 1.0
*/
public function getHelpVersion()
{
return '.' . str_replace('.', '', $this->RELEASE);
}
/**
* Gets a "PHP standardized" version string for the current Joomla.
*
* @return string Version string.
*
* @since 1.5
*/
public function getShortVersion()
{
return $this->RELEASE . '.' . $this->DEV_LEVEL;
}
/**
* Gets a version string for the current Joomla with all release information.
*
* @return string Complete version string.
*
* @since 1.5
*/
public function getLongVersion()
{
return $this->PRODUCT . ' ' . $this->RELEASE . '.' . $this->DEV_LEVEL . ' '
. $this->DEV_STATUS . ' [ ' . $this->CODENAME . ' ] ' . $this->RELDATE . ' '
. $this->RELTIME . ' ' . $this->RELTZ;
}
/**
* Returns the user agent.
*
* @param string $component Name of the component.
* @param bool $mask Mask as Mozilla/5.0 or not.
* @param bool $add_version Add version afterwards to component.
*
* @return string User Agent.
*
* @since 1.0
*/
public function getUserAgent($component = null, $mask = false, $add_version = true)
{
if ($component === null)
{
$component = 'Framework';
}
if ($add_version)
{
$component .= '/' . $this->RELEASE;
}
// If masked pretend to look like Mozilla 5.0 but still identify ourselves.
if ($mask)
{
return 'Mozilla/5.0 ' . $this->PRODUCT . '/' . $this->RELEASE . '.' . $this->DEV_LEVEL . ($component ? ' ' . $component : '');
}
else
{
return $this->PRODUCT . '/' . $this->RELEASE . '.' . $this->DEV_LEVEL . ($component ? ' ' . $component : '');
}
}
/**
* Generate a media version string for assets
* Public to allow third party developers to use it
*
* @return string
*
* @since 3.2
*/
public function generateMediaVersion()
{
$date = new JDate;
$config = JFactory::getConfig();
return md5($this->getLongVersion() . $config->get('secret') . $date->toSql());
}
/**
* Gets a media version which is used to append to Joomla core media files.
*
* This media version is used to append to Joomla core media in order to trick browsers into
* reloading the CSS and JavaScript, because they think the files are renewed.
* The media version is renewed after Joomla core update, install, discover_install and uninstallation.
*
* @return string The media version.
*
* @since 3.2
*/
public function getMediaVersion()
{
// Load the media version and cache it for future use
static $mediaVersion = null;
if ($mediaVersion === null)
{
$config = JFactory::getConfig();
$debugEnabled = $config->get('debug', 0);
// Get the joomla library params
$params = JLibraryHelper::getParams('joomla');
// Get the media version
$mediaVersion = $params->get('mediaversion', '');
// Refresh assets in debug mode or when the media version is not set
if ($debugEnabled || empty($mediaVersion))
{
$mediaVersion = $this->generateMediaVersion();
$this->setMediaVersion($mediaVersion);
}
}
return $mediaVersion;
}
/**
* Function to refresh the media version
*
* @return JVersion Instance of $this to allow chaining.
*
* @since 3.2
*/
public function refreshMediaVersion()
{
$newMediaVersion = $this->generateMediaVersion();
return $this->setMediaVersion($newMediaVersion);
}
/**
* Sets the media version which is used to append to Joomla core media files.
*
* @param string $mediaVersion The media version.
*
* @return JVersion Instance of $this to allow chaining.
*
* @since 3.2
*/
public function setMediaVersion($mediaVersion)
{
// Do not allow empty media versions
if (!empty($mediaVersion))
{
// Get library parameters
$params = JLibraryHelper::getParams('joomla');
$params->set('mediaversion', $mediaVersion);
// Save modified params
JLibraryHelper::saveParams('joomla', $params);
}
return $this;
}
}