Enissay

$input =  <<<_DATA_
<table id="tblAddProduct">
    <tbody class='A2'>
        <tr>
            <td>Product Code :</td>
            <td> tbody.1.TR.1.TD.2 <input/> </td>
        </tr>
        <tr>
            <td>Product Description :</td>
            <td> tbody.1.TR.2.TD.2 <input/> </td>
        </tr>
    </tbody>

    <tbody class='A2'>
        <tr>
            <td>Product Code :</td>
            <td> tbody.2.TR.1.TD.2 <input/> </td>
        </tr>
        <tr>
            <td>Product Description :</td>
            <td> tbody.2.TR.2.TD.2 <input/> </td>
        </tr>
    </tbody>
</table>
_DATA_;

// Create a DOM object
$html = new simple_html_dom();
// Load HTML from a string
$html->load($input);

// Loop through all the TR nodes
foreach ( $html->find('#tblAddProduct tbody.A2 tr') as $tr ) {
    echo $tr->find('td', 1)->plaintext;
    echo '<br/>';
}