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  1. <?php
  2. $testdata = array();
  3. for ($i=0; $i<10; $i++) {
  4.     $testdata[] = array('a' => intval($i/3), 'b' => $i);
  5. }
  6.  
  7. $postArray = array();
  8. $rowspan = 1;
  9. // $post = mysql_fetch_assoc($posts);
  10. $post = array_pop($testdata);
  11. while ($post):
  12. //  $pre = mysql_fetch_assoc($posts);
  13.     $pre = array_pop($testdata);
  14.     if (isset($pre) && $pre['a'] == $post['a']) {
  15.         $post['rowspan'] = 0;
  16.         $rowspan++;
  17.     } else {
  18.         $post['rowspan'] = $rowspan;
  19.         $rowspan = 1;
  20.     }
  21.     $postArray[] = $post;
  22.     $post = $pre;
  23. endwhile;
  24. ?>
  25. <table>
  26. <thead>
  27. <tr>
  28. <th>名前</th>
  29. <th>内容</th>
  30. </tr>
  31. </thead>
  32. <tbody>
  33. <?php foreach (array_reverse($postArray) as $post) { ?>
  34. <tr>
  35. <?php   if ($post['rowspan'] !== 0){ ?>
  36. <?php     if ($post['rowspan'] === 1){ ?>
  37.   <td>
  38. <?php     } else { ?>
  39.   <td rowspan="<?php echo $post['rowspan']; ?>">
  40. <?php     } ?>
  41.   <?php echo $post['a']; ?></td>
  42. <?php   } ?>
  43. <td><?php echo $post['b']; ?>
  44. </td>
  45. </tr>
  46. <?php } ?>
  47. </tbody>
  48. </table>
  49.  
Success #stdin #stdout 0.01s 20568KB
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<table>
<thead>
<tr>
<th>名前</th>
<th>内容</th>
</tr>
</thead>
<tbody>
<tr>
  <td rowspan="3">
  0</td>
<td>0</td>
</tr>
<tr>
<td>1</td>
</tr>
<tr>
<td>2</td>
</tr>
<tr>
  <td rowspan="3">
  1</td>
<td>3</td>
</tr>
<tr>
<td>4</td>
</tr>
<tr>
<td>5</td>
</tr>
<tr>
  <td rowspan="3">
  2</td>
<td>6</td>
</tr>
<tr>
<td>7</td>
</tr>
<tr>
<td>8</td>
</tr>
<tr>
  <td>
  3</td>
<td>9</td>
</tr>
</tbody>
</table>
https://ideone.com/ZKWB4g
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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