Rowspan Colspan issue in differense

[kiranbariya]

$html1='<table border="1" style="border-collapse:collapse"><thead><tr><td rowspan="2">HSN / SAC</td><td rowspan="2">Taxable Value (Rs.)</td><td colspan="2">Central Tax</td><td colspan="2">UT Tax</td><td colspan="2" style="display:none"></td><td rowspan="2">Total Tax (Rs.)</td></tr><tr><td>Rate</td><td>Amount (Rs.)</td><td>Rate</td><td>Amount (Rs.)</td><td style="display:none"></td><td style="display:none"></td></tr></thead><tbody><tr><td>1245</td><td>200.00</td><td><span style="display:none">RowcgstRt-</span>9.00%</td><td><span style="display:none">RowcgstAmt-</span>18.00</td><td><span style="display:none">RowugstRt-</span>5.00%</td><td><span style="display:none">RowugstAmt-</span>10.00</td><td style="display:none"></td><td style="display:none"></td><td><span style="display:none">TotRowTax-28.00';`

$html2='<table border="1" style="border-collapse:collapse"><thead><tr><td rowspan="2">HSN / SAC</td><td rowspan="2">Taxable Value (Rs.)</td><td colspan="2">Central Tax</td><td colspan="2" style="display:none"></td><td rowspan="2">Total Tax (Rs.)</td></tr><tr><td>Rate</td><td>Amount (Rs.)</td><td style="display:none"></td><td style="display:none"></td></tr></thead><tbody><tr><td>1245</td><td>200.00</td><td><span style="display:none">RowcgstRt-</span>9.00%</td><td><span style="display:none">RowcgstAmt-</span>18.00</td><td style="display:none"></td><td style="display:none"></td><td><span style="display:none">TotRowTax-</span>18.00</td></tr></tbody></table>';

echo "<h3>Using Caxy\HtmlDiff\HtmlDiff</h3>";
$htmlDiff = new Caxy\HtmlDiff\HtmlDiff($html1,$html2);
echo $content = $htmlDiff->build();