关于数组下边赋值问题

Question

Array
(
    [5] => 60
    [6] => 70
    [7] => 90
    [8] => 70
)这个数组..我想把它的下边重复赋值为0,1,2...这个怎么操作..

Answer 1

[User:root Time:10:45:18 Path:/home/liangdong/php]$ php arr.php 
Array
(
    [0] => 60
    [1] => 70
)
[User:root Time:10:45:19 Path:/home/liangdong/php]$ cat arr.php 
<?php
$data = array(
                        5 => 60,
                        6 => 70
                );
$data = array_merge($data);
print_r($data);
?>