<?php $txt1="arz"; $id1="select_x"; include"my_select.php";?>
<?php
?>
<form id="myForm2">
<?php echo $txt1; ?>
<?php echo'<select id="'.$id1.'">'; ?>
<option>5</option>
<option>4</option>
<option>3</option>
<option>2</option>
<option>1</option>
<option >0.5</option>
<option>0.2</option>
<option>0.1</option>
</select>
</form>
<?php
?>
for ($e = 1; $e <= $n; $e++)
{
$u=strval($e);
$cookie_name='x'.$u; // sakhtane esme cookie
} // for loop
<script src="dat.gui.js"></script>