title: Put variable into another quote
body: <p>I have a variable a just want to put another variable (a query data) in but i received an error, i think it's because of the quote. </p>
  
  <pre><code>$message .= "Bonjour, &lt;br /&gt;
  Veuillez trouver ci-joint le bon de livraison de la commande '.$data['CMD_CODE'].' &lt;br /&gt;"; 
  </code></pre>
  
  <p>Thanks.</p>