用图标替换编辑和删除

i need to change the edit and delete button on this table with icons

im trying too much with 500 error :(

   echo "<tr>";
   echo "<td>{$userSet['user_id']}</td>";
   echo "<td>{$userSet['username']}</td>";
   echo "<td>{$userSet['password']}</td>";
   echo "<td><a href='delete_user.php?user_id={$userSet['user_id']}'>Delete</a></td>";
   echo "<td><a href='edit_user.php?user_id={$userSet['user_id']}'>Edit</a></td>";
   echo "</tr>";

Put img tag inside the a href attribute.

 echo "<td><a href='delete_user.php?user_id={$userSet['user_id']}'><img src='path/to/img'></a></td>";
 echo "<td><a href='edit_user.php?user_id={$userSet['user_id']}'><img src='path/to/img'></a></td>";