Problème header php

<?php
require('comunia/data.php');
mysql_connect('localhost','root','');
mysql_select_db('identity');
?>
  <?php
if(!empty($_POST) && !empty($_POST['id']) && !empty($_POST['comment']))
{

  $id = stripcslashes($_POST['id']);
  $comment = stripcslashes($_POST['comment']);

  $req = $bdd->prepare('INSERT INTO place (id,comment) VALUES (:id,:comment)');
$req->execute(array(':id'=>$id, ':comment'=>$comment));
  $req->closeCursor();
    $id = strip_tags($_GET['id']);
  $req = $bdd->prepare('SELECT * FROM page WHERE id=:id');
  $req->execute(array(':id'=>$id));
  while($data = $req->fetch(PDO::FETCH_OBJ)):

header("location:page.php?id=echo $id;");
endwhile;
}
else{
	header('Location :index.php');
}
?>