$htmlContent = file_get_contents("https://referensi.data.kemdikbud.go.id/index11.php?level=3&kode=016301&id=16");

$DOM = new DOMDocument();
    @$DOM->loadHTML($htmlContent);

    $Header = $DOM->getElementsByTagName('th');
    $Detail = $DOM->getElementsByTagName('td');
 //#Get header name of the table
    foreach($Header as $NodeHeader)
    {
        $aDataTableHeaderHTML[] = trim($NodeHeader->textContent);
    }
    //print_r($aDataTableHeaderHTML); die();

    //#Get row data/detail table without header name as key
    $i = 0;
    $j = 0;
    foreach($Detail as $sNodeDetail)
    {
        $aDataTableDetailHTML[$j][] = trim($sNodeDetail->textContent);
        $i = $i + 1;
        $j = $i % count($aDataTableHeaderHTML) == 0 ? $j + 1 : $j;
    }
    echo "<pre>";
    print_r($aDataTableDetailHTML);
    die();