Liste des contacts<table class="table table-hover">
  <thead>
    <tr>
      <th scope="col">Nom Client</th>
      <th scope="col">Prenom Client</th>
    </tr>
  </thead>
  <tbody>

<br />
<b>Warning</b>:  Undefined variable $dbh in <b>/var/www/html/nuage-pedagogique/pages/listeContacts.php</b> on line <b>15</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/html/nuage-pedagogique/pages/listeContacts.php:15
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/nuage-pedagogique/pages/listeContacts.php</b> on line <b>15</b><br />