Modx Evo, getchunk & PHX

$modx->setPlaceholder('id', $row["id"]);
$modx->setPlaceholder('pagetitle', $row["pagetitle"]);
$modx->setPlaceholder('description', $row["description"]);
$modx->setPlaceholder('introtext', $row["introtext"]);
$resultat.= $modx->getChunk('mytpl');

 <div class="texte">
        <table>
          <tr>
            <td class="titre">
              <h2><a href="/[~[+id+]~]" title="[+longtitle+]">[+pagetitle+]</a></h2>
            </td>
            <td class="description">
              [+phx:if=`[+description+]`:is=``:then=``:else=`<a href="/[~[+id+]~]" title="[+longtitle+]">[+description+]</a>`+]
              <a href="/[~[+id+]~]" title="[+longtitle+]">[+introtext+]</a></p>
              <p class="date"><a href="/[~[+id+]~]">[[afficheDate? &id=`[+id+]`]]</a></p>
            </td>
          </tr>
        </table>
      </div>