Pierre

<?php
    $base = new PDO('mysql:host=localhost;dbname=chat_code_bzh;charset=utf8', 'root', '');
    $requete= $base->prepare('INSERT INTO historique_discussion (nom, email, message) VALUES (:nom, :email, :message)');
     $requete->execute(array(

      'nom' =>  $_POST['pseudotxt'],
      'email' =>  $_POST['mailtxt'],
      'message' =>  $_POST['messagetxt'],
    ));


    $reponse = $base->query ('SELECT * FROM historique_discussion');
    while ($discussion = $reponse->fetch()) {

        echo '<div>';
        echo $discussion['nom']." ". $discussion['email']." ". $discussion['message'];
        echo '</div>';
    }

?>