Table heading with multiple rows

I need to create this using table library. set_heading only adds one row heading I need two.

Code:

<thead>
<tr>
  <th>head1<th>
  <th>head2<th>
<tr>
<tr>
  <th>head1<th>
  <th>head2<th>
<tr>
</thead>

This is a snippet that I found on the web.

PHP Code:

<table>
  <col>
  <colgroup span="2"></colgroup>
  <colgroup span="2"></colgroup>
  <tr>
    <td rowspan="2"></td>
    <th colspan="2" scope="colgroup">Mars</th>
    <th colspan="2" scope="colgroup">Venus</th>
  </tr>
  <tr>
    <th scope="col">Produced</th>
    <th scope="col">Sold</th>
    <th scope="col">Produced</th>
    <th scope="col">Sold</th>
  </tr>
  <tr>
    <th scope="row">Teddy Bears</th>
    <td>50,000</td>
    <td>30,000</td>
    <td>100,000</td>
    <td>80,000</td>
  </tr>
  <tr>
    <th scope="row">Board Games</th>
    <td>10,000</td>
    <td>5,000</td>
    <td>12,000</td>
    <td>9,000</td>
  </tr>
</table> 


The CodeIgniter html table has a table template so you would need to create your own table.

What did you Try? What did you Get? What did you Expect?

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