<snippet>
  <content><![CDATA[
if(isset($_SESSION['msg']['error'])){
  echo '<div class="alert_error"><p>' . $_SESSION['msg']['error'] . '</p></div>';
}
if(isset($_SESSION['msg']['success'])){
  echo '<div class="alert_success"><p>' . $_SESSION['msg']['success'] . '</p></div>';
}
if(isset($_SESSION['msg'])) unset($_SESSION['msg']);
]]></content>
  <!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
  <tabTrigger>msgsession</tabTrigger>
  <!-- Optional: Set a scope to limit where the snippet will trigger -->
  <scope>source.php</scope>
</snippet>