[expect]

array

(

  [0] => array

  (

    [0] => 1

    [1] => A

    [2] => 0

  )

  [1] => array

  (

    [0] => 2

    [1] => B

    [2] => 0

  )

  [2] => array

  (

    [0] => 3

    [1] => C

    [2] => 

  )

)

array

(

  [0] => 1 A 0

  [1] => 2 B 0

  [2] => 3 C 

)

array

(

  [0] => 1

  [1] => 2

  [2] => 3

)

array

(

  [0] => A

  [1] => B

  [2] => C

)

array

(

  [0] => x

  [1] => x

)

[file]

<?

  function f($x,$y,&$z)

  {

    $result = "$x $y $z";

    $z = 'x';

    return $result;

  }

  

  $a = array(1,2,3);

  $b = array('A','B','C');

  $c = array(0,0);

  

  print_r(array_map(null,$a,$b,$c));

  print_r(array_map("f",$a,$b,$c));



  print_r($a);

  print_r($b);

  print_r($c);

?>