Online PHP editor | output for 5X2XQ

<?php $array = [ 1 => [ 'categoryName'=>'Main One', 'title'=>'Title one', 'date'=>'2019-09-01', 'score'=>2500 ], 2 => [ 'categoryName'=>'Main One', 'title'=>'Title two', 'date'=>'2019-09-02', 'score'=>3000 ], 3 => [ 'categoryName'=>'Main Two', 'title'=>'Other title', 'date'=>'2019-09-02', 'score'=>2100 ], 4 => [ 'categoryName'=>'Main Three', 'title'=>'Other title', 'date'=>'2019-09-05', 'score'=>200 ], 5 => [ 'categoryName'=>'Main Three', 'title'=>'Other topic', 'date'=>'2019-09-02', 'score'=>1000 ] ]; $prevMain = ""; $currentMain = ""; $html = "<table border=1><tbody>"; foreach($array as $row): $currentMain = $row["categoryName"]; if($currentMain !== $prevMain) { $prevMain = $row["categoryName"]; $html .= '<tr>' . '<td colspan="2">' . $row['categoryName'] . '</td>' . '<td></td>' . '</tr>'; } $html .='<tr>'. '<td>'.$row['date'] .'</td>'. '<td>'.$row['title'].'</td>'. '<td>'.$row['score'] . '</td>'. '</tr>'; endforeach; $html .= "</tbody></table>"; echo $html;