how to print img srcx in php code example

Example: img src php

<?php

while($row = mysqli_fetch_array($result)){

                          echo ' 
                              <tr>      
                              <td> '.$row['x'].' </td>
                              <td> '.$row['y'].' </td>
                              <td> '.$row['z'].' </td>
                              <td> '.$row['f'].' </td>
                              <td> '.$row['g'].' </td>
                              <td> '.$row['d'].' </td>
                              <td><img src="'.$url.'"/></td>
                              </tr>';
}
?>