<form action='' method='POST'>
<input type='text' name='name'><input type='submit' name='submitu' value='ok'></input></input>
</form><br />
<?php
$name = "";
if(isset($_POST['name'])){
$name = $_POST['name'];
}

//$name=$_REQUEST['name'];
$db_connection= mysql_connect('37.60.245.151','recordia_ordini','231150');
$db_selection = mysql_select_db('recordia_weborder',$db_connection);

$query = mysql_query("SELECT * FROM clienti WHERE codicecli = '$name'" );

while($row = mysql_fetch_array($query))
{
?>
<?php
}

?>

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$name = $_REQUEST['name'];]
?>