如何将此数组存储到会话中,并使用会话以对角线上/下/左/右移动数组中的元素
$board = array(A B C D E F G H
0 array(0,0,0,0,0,0,0,0),
1 array(0,0,0,0,0,0,0,0),
2 array(0,0,0,0,0,0,0,0),
3 array(0,0,0,0,0,0,0,0),
4 array(0,0,0,0,0,0,0,0),
5 array(0,0,0,0,0,0,0,0),
6 array(0,0,0,0,0,0,0,0),