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---

<?php
/**
* SEF extension for Joomla! 1.5
*
* @author $Author: shumisha $
* @copyright Yannick Gaultier - 2009-2010
* @package sh404SEF-15
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @version $Id: shJConfig.class.php 1205 2010-04-06 18:01:40Z silianacom-svn $
*/
// Security check to ensure this file is being included by a parent file.
if (!defined('_JEXEC')) die('Direct Access to this location is not allowed.');
class shJConfig {
static $_joomlaConfig = false;
function get( $property, $default = null) {
// read current config from file
if (self::$_joomlaConfig === false) {
self::_readJoomlaConfig();
}
// search for requested property
$pattern = '/\$' . preg_quote($property) . '\s*=\s*\'(.*)\'/Ui';
$matches = null;
$found = preg_match( $pattern, self::$_joomlaConfig, $matches);
// extract result
if ($found) {
$value = $matches[1];
} else {
$value = $default;
}
// return value read or default
return $value;
}
function set( $property, $value) {

// read current config from file
if (self::$_joomlaConfig === false) {
self::_readJoomlaConfig();
}
// search for requested property
$pattern = '/(\$' . preg_quote($property) . '\s*=\s*\'(.*)\')/Ui';
$matches = null;
$found = preg_match( $pattern, self::$_joomlaConfig, $matches);
// insert new value
if ($found) {
jimport( 'joomla.utilities.string');
$newValue = '$' . $property . " = '" . $value . "'";
self::$_joomlaConfig = str_replace( $matches[1], $newValue, self::$_joomlaConfig);
}
// now save to file
return self::_writeJoomlaConfig();

}
function _readJoomlaConfig() {
// import joomla file libraries
jimport( 'joomla.filesystem.file');
// read config file content
$fileName = JPATH_CONFIGURATION . DS . 'configuration.php';
self::$_joomlaConfig = JFile::read( $fileName);
}
function _writeJoomlaConfig() {
// import joomla file libraries
jimport( 'joomla.filesystem.file');
// do we have a content to write ?
if (self::$_joomlaConfig) {
$fileName = JPATH_CONFIGURATION . DS . 'configuration.php';
$written = JFile::write( $fileName, self::$_joomlaConfig);
}
// send result
return $written == JString::strlen( self::$_joomlaConfig);
}
}