01.<a href="main.php?page=page1">หน้า1</a>
02.<a href="main.php?page=page2">หน้า1</a>
03.<a href="main.php?page=page3">หน้า1</a>
04.<a href="main.php?page=page4">หน้า1</a>
05.
06.
07.<u>main.php</u>
08.
09.if($_GET['page'] == "page1"){
10.include "page1.php";
11.}else if($_GET['page'] == "page2"){
12.include "page2.php";
13.}else if($_GET['page'] == "page3"){
14.include "page3.php";
15.}else if($_GET['page'] == "page4"){
16.include "page4.php";
17.}
