?


INDEX , vv . . v . 2 .

1. INDEX .
2.

.

v, v HTML v. vv INDEX.HTM v . v. Yv v v v. HTML . .

v . . vv . Yv v INDEX.PHP .

:

<?php
header("Location: ../");
?>


.

header . Location: ../ .

../ ?

( / ) . v 人 .

folder_first/folder_second/

.

folder_second vvv folder_first ( ../ ) .

../folder_second/ folder_first .

Location: ../ vv vvv . v v.