01.<?php
02.$xx = isset($_POST['xx']) ? mysql_real_escape_string($_POST['xx']) : '';
03.?>
04.
05.<html>
06. <head>
07. <title></title>
08. </head>
09. <body>
10. <form action="" method="POST">
11. <select name="xx" id="xx" onchange="this.form.submit();">
12. <option value="">====SELECT====</option>
13. <option value="picture" <?php if ($xx == "picture") {echo"selected";}?>>รูปภาพ</option>
14. <option value="message" <?php if ($xx == "message") { echo"selected";}?>>ข้อความ</option>
15. </select>
16. </form>
17. </body>
18.</html>
19.<?php
20.if ($xx == 'picture') {
21. echo "picture";
22.} else if ($xx == 'message') {
23. echo "message";
24.}
