echo "<table>
   <caption>Stock</caption>

   <tr>
       <th>Reference</th>
       <th>Descriptif</th>
       <th>Marque</th>
       <th>Prix unitaire</th>
   </tr>";

foreach ($resultats as $key => $value) {
	var_dump($value);

	echo "<tr style= border:1px solid black><td>";
	echo $value['reference_article'];
	echo "</td>";
	echo "<td>";
	echo $value['descriptif_article'];
	echo "</td>";
	echo "<td>";
	echo $value['marque'];
	echo "</td>";
	echo "<td>";
	echo $value['pu'];
	echo "</td>";
	echo "</tr>";
}