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  1. <?php
  2.  
  3. $cols = 3;   // сколько колонок
  4. $total = 14; // всего ячеек (0..13)
  5. for($i=0; $i<$total; $i+=$cols) {
  6.     echo "<tr>";
  7.     for($j=$i; $j<$i+$cols; $j++) {
  8.         if( $j<$total) {
  9.             echo "<td>" . $j . "</td>";
  10.         } else {
  11.             echo "<td> - </td>";
  12.         }
  13.     }
  14.     echo "</tr>";
  15. }
Success #stdin #stdout 0.02s 52480KB
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Standard input is empty
stdout
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<tr><td>0</td><td>1</td><td>2</td></tr><tr><td>3</td><td>4</td><td>5</td></tr><tr><td>6</td><td>7</td><td>8</td></tr><tr><td>9</td><td>10</td><td>11</td></tr><tr><td>12</td><td>13</td><td> - </td></tr>
https://ideone.com/4aN2uw
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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