Erreur : syntax error, unexpected T_ENCAPSED_AND_WHITESPACE

<form class="form-search" action="edtn.php">
    <div class="input-append">
    <input type="text" name="page" class="span5 search-query" placeholder="Nom de la page" style="height:34px; font-size:25px; font-family:arial;">
    <button type="submit" class="btn btn-large">Affcher</button>
    </div>
    
    </form>

<?php

//Si on appel page X
if (isset($_GET['page'])){ 
//Affiche formulaire 
echo '<form action="" method="post"> 
<textarea name="requete">'; 
//Affiche dans formulaire page X
echo file_get_contents(''.$_GET['page'].''); 
echo '</textarea> 
<input type="submit" value="Save"/> 
</form>'; 
//Si requete textarea 
if (isset($_POST['requete'])) { 
//Modifier page avec requette 
file_put_contents(''.$_GET['page'].'',$_POST['requete']); 
//Rafraichi la page 
echo '<meta http-equiv="refresh" content="0;URL=edtn.php"> '; 
} 
} ?>