Parse error "!" incompréhensible

Bonjour, je n'arrive pas comprendre l'erreur.
Des idées?
Merci

Parse error: syntax error, unexpected '!' in C:\MAMP\htdocs\Il_mio_sito\page_inscription.php on line 15
Code:
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<?php
//ON se connecte à la base de donneés
try
{
    $bdd = new PDO('mysql:host=localhost;dbname=andrea;charset=utf8', 'root', 'root');
}
catch(Exception $e)
{
        die('Erreur : '.$e->getMessage());
}
//ON se connecte à la base de donneés
 
if(isset($_POST['form_inscription']))  
{
    if(!empty($_POST['pseudo']) AND !empty($_POST['mdp']) AND !empty($_POST['mdp2']) !empty($_POST['email']))
    {
        echo "ok";
    }
    else
    {
        echo"non";
    }
}
 
?>
 
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>Site Andrea</title>
	<link href="" rel="stylesheet" /> 
    </head>
    <body>
        <div align="center">
            <h1 >Iscrizione al sito</h1>
            <br /><br /><br />      
            <form method="post" action="" enctype="multipart/form-data">
                <table>
                    <tr>
                        <td align="right">
                            <label for="pseudo">Pseudo:</label>
                        </td>
                        <td  align="right">    
                            <input  type="text" placeholder="Votre Pseudo" id="Pseudo"  />
                        </td>    
                    </tr>
                    <tr>
                        <td align="right">
                            <label for="mdp">Password:</label>
                        </td>
                        <td align="right">    
                            <input  type="password" placeholder="Password" id="mdp"  />
                        </td>    
                    </tr>
                    <tr>
                        <td align="right">
                            <label for="mdp2">Repetez Password:</label>
                        </td>
                        <td align="right">    
                            <input  type="password" placeholder="Password" id="mdp2"  />
                        </td>    
                    </tr> <tr>
                        <td align="right">
                            <label for="email">Email:</label>
                        </td>
                        <td align="right">    
                            <input  type="email" placeholder="Email" id="email" />
                        </td>    
                    </tr>
                </table>        
                    <input  type="submit" name="form_inscription" value="Je m'inscris"/>
                    <p><input class="i6" type="button" onclick="window.location.href = 'page_connexion.php';" value="LOGIN"/></p>  
            </form>
 
        </div>
 
 
 
 
    </body>
 
</html>