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| 1 | - | <?php $no = 1; |
| 1 | + | <?php |
| 2 | - | global $link; |
| 2 | + | global $link; |
| 3 | - | $pilih = "SELECT nama FROM siswa ORDER BY rand()"; |
| 3 | + | $pilih = "SELECT nama FROM siswa ORDER BY rand()"; |
| 4 | - | $result = mysqli_query($link,$pilih); |
| 4 | + | $result = mysqli_query($link, $pilih); |
| 5 | - | ?> |
| 5 | + | //simpan dulu ke array biar mudah loopingnya |
| 6 | $array_nama = []; | |
| 7 | while ( $row = mysqli_fetch_array($result, MYSQLI_ASSOC) ) {
| |
| 8 | $array_nama[] = $row['nama']; | |
| 9 | } | |
| 10 | ?> | |
| 11 | <table class="table table-striped text-center"> | |
| 12 | <tr class="success"> | |
| 13 | <td><strong>No. </strong></td> | |
| 14 | <td><strong>Senin</strong></td> | |
| 15 | <td><strong>Selasa</strong></td> | |
| 16 | - | <?php |
| 16 | + | |
| 17 | - | while ($row=mysqli_fetch_array($result)) {
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| 17 | + | |
| 18 | - | ?> |
| 18 | + | |
| 19 | - | <tr> |
| 19 | + | |
| 20 | - | <td><?php echo $no++; ?></td> |
| 20 | + | |
| 21 | - | <td><?php echo $row['nama']; ?></td> |
| 21 | + | <?php if ( count($array_nama) > 0 ) { ?>
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| 22 | - | <td><?php echo $row['nama']; ?></td> |
| 22 | + | <?php |
| 23 | - | <td><?php echo $row['nama']; ?></td> |
| 23 | + | //kita hitung jumlah baris yang ada yaitu jumlah elemen array bagi 7 bulatkan ke atas |
| 24 | - | <td><?php echo $row['nama']; ?></td> |
| 24 | + | $jumlah_baris = ceil(count($array_nama) / 7.0); |
| 25 | - | <td><?php echo $row['nama']; ?></td> |
| 25 | + | ?> |
| 26 | - | <td><?php echo $row['nama']; ?></td> |
| 26 | + | <?php for( $baris = 1; $baris <= $jumlah_baris; $baris++ ) { ?>
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| 27 | <tr> | |
| 28 | - | <?php |
| 28 | + | <td><?php echo $baris; ?></td> |
| 29 | - | } |
| 29 | + | <?php for( $kolom = 1; $kolom <= 7; $kolom++ ) { ?>
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| 30 | - | ?> |
| 30 | + | <?php |
| 31 | - | |
| 31 | + | //rumus index array adalah (baris - 1) * 7 + (kolom - 1) karena index array mulai dari 0 |
| 32 | //di baris pertama, (baris - 1) = 0, jadi kita akan ambil elemen array dari 0 sampai 6 | |
| 33 | //di baris kedua, (baris - 1) = 1 lalu * 7 = 7, jadi kita ambil elemen array dari 7 sampai 13 | |
| 34 | //begitu selanjutnya selama masih ada elemen array | |
| 35 | $index = ( $baris - 1 ) * 7 + ( $kolom - 1 ); | |
| 36 | ?> | |
| 37 | <?php if ( isset($array_nama[$index]) ) { ?>
| |
| 38 | <td><?php echo $row['nama']; ?></td> | |
| 39 | <?php } else { ?>
| |
| 40 | <td> </td> | |
| 41 | <?php } ?> | |
| 42 | <?php } ?> | |
| 43 | </tr> | |
| 44 | <?php } ?> | |
| 45 | <?php } ?> | |
| 46 | </table> |
