[expect php]

[file]

<?

  

  function test(&$a)

  {

    $arr = array( 4,3,4,3,2,1,2,1,4,3,2,1 );

    $arr[] = &$a;

    $arr[] = $a;

    var_dump($arr);



    // check whether values are preserved in the same order

    // without duplicities

    // preserving the first unique entry

    var_dump(array_unique($arr));

  }



  $x = 5;

  test($x);



?>