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<?php
// "unparse" the Joomla SEF url to get the internal joomla URL
    JURI::current();// It's very strange, but without this line at least Joomla 3 fails to fulfill the task
    $router =& JSite::getRouter();// get router
    $query = $router->parse(JURI::getInstance()); // Get the real joomla query as an array - parse current joomla link
    $url = 'index.php?'.JURI::getInstance()->buildQuery($query);
?>