function sarsort(array &$array, $sort_flags = SORT_REGULAR)
{
    require_once dirname(__DIR__) . '/classes/StableSort.php';
    return StableSort::arsort($array, $sort_flags);
}
 /**
  * @covers StableSort::arsort
  * @group  stablesort
  */
 public function testRegular()
 {
     $array = array('a9', 'a1', 'a10');
     StableSort::arsort($array, SORT_REGULAR);
     $this->assertNotSame(array(2 => 'a10', 0 => 'a9', 1 => 'a1'), $array);
 }