Given an internal Drupal path, return the alias set by the administrator.
If no path is provided, the function will return the alias of the current page.
$path: An internal Drupal path.
$path_language: An optional language code to look up the path in.
An aliased path if one was found, or the original path if no alias was found.
function drupal_get_path_alias($path = NULL, $path_language = NULL) {
// If no path is specified, use the current page's path.
if ($path == NULL) {
$path = $_GET['q'];
}
$result = $path;
if ($alias = drupal_lookup_path('alias', $path, $path_language)) {
$result = $alias;
}
return $result;
}