изменение страницы PHP
<?php
$page = null;
if(isset($_POST['page'])){
$page = $_POST['page'];
}
switch($page){
case 'page3': include_once('/path/to/page3content.php'); break;
case 'page2': include_once('/path/to/page2content.php'); break;
case 'page1': include_once('/path/to/page1content.php'); break;
default: include_once('/path/to/defaultcontent.php'); break;
}
?>
<form name="myform" action="" method="post">
<select name="page" onchange="this.form.submit()">
<option value="page1"<?php if($page == "page1"){ echo " selected"; }?>>Page 1</option>
<option value="page2"<?php if($page == "page2"){ echo " selected"; }?>>Page 2</option>
<option value="page3"<?php if($page == "page3"){ echo " selected"; }?>>Page 3</option>
</select>
</form>
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