Получение данных их формы

<form name="response" action="response2.php" method="post">
<tr><td>Имя:</td>
<td><input name="Name" type="text" value="565" size=60></td></tr>
<tr><td>Mail:</td>
<td><input name="Mail" type="text" value="777" size=60></td></tr>
<tr><td>URL:</td>
<td><input name="URL" type="text" value="888" size=60></td></tr>
<tr><td colspan=2>Комментарий:</td></tr>
<tr><td colspan=2>
<textarea cols=50 rows=10 name=comment>000</textarea></td></tr>
<tr><td>Послать:</td>
<td>    <input type="submit" value="Send" name="Send"></td></tr>
</form>
</table>


<?php
#$st=getenv(@$_POST["URL"]);
#echo $st;
$str='';
print_r($_REQUEST);
echo "<br><br><br><br>";
print_r($GLOBALS);
?>