PHP.Приложение из одной страницы.

<html> <head><title>Button1</title></head>
<body> 

<?php
if (isset ($_REQUEST ["Name"]))
{
?>
<H1> Otobrazhenie imeni polzovatelya </H1>
Your name
<?php echo $_REQUEST ["Name"];
}
else
{
?>	
	<H1>Vvod imeni polzovatelya </H1>
	<FORM METHOD="POST" ACTION="phpsingle.php">
	Vvedite vashe imya
	<INPUT NAME="Name" TYPE="TEXT">
	<BR><BR>
	<INPUT TYPE=SUBMIT VALUE="OK">
	</FORM>
<?php
}
?>

  </body>
  </html>