merge-table.php

<?php
// db output
$data = array(
    array(
        'no' =>1,
        'jur' => 'maju',
        'kel' => 'ada',
    ),
    array(
        'no' =>1.1,
        'jur' => 'maju',
        'kel' => 'ada',
    ),
    array(
        'no' =>2,
        'jur' => 'maju',
        'kel' => 'ada',
    ),
    array(
        'no' =>3,
        'jur' => 'mundur',
        'kel' => 'ada',
    ),
    array(
        'no' =>4,
        'jur' => 'naik',
        'kel' => 'ada',
    ),
    array(
        'no' =>4.1,
        'jur' => 'naik',
        'kel' => 'ada',
    ),
    array(
        'no' =>5,
        'jur' => 'turun',
        'kel' => 'ada',
    ),
    array(
        'no' =>6,
        'jur' => 'turun',
        'kel' => 'ada',
    ),
    array(
        'no' =>6.1,
        'jur' => 'turun',
        'kel' => 'ada',
    ),
);
// array merge
$mer = array();
foreach($data as $i=>$m){
    $i++;
    $mer[$m['jur']][$i] = $m['jur'];
}

//echo '<pre>';print_r($mer);echo'</pre>';

echo '<table border=1><tr><th>no</th><th>jur</th><th>kel</th></tr>',"\n";
foreach($data as $row){
    echo '<tr>',"\n";
    echo '  <td>',$row['no'],'</td>',"\n";
    if((!$jur || $row['jur']!=$jur)){
        if(count($mer[$row['jur']])>1)
            echo '  <td rowspan=',count($mer[$row['jur']]),'>',$row['jur'],'</td>',"\n";
        else
            echo '  <td>',$row['jur'],'</td>',"\n";
    }
    echo '  <td>',$row['kel'],'</td>',"\n";
    echo '</tr>',"\n";
    $jur = $row['jur'];
}
echo '</table>';