借助PHP和HTML动态创建行和列

Question

I want to create dynamic rows and column with the help of PHP and HTML but I am little confused about this code so some help is definitely appreciated.

<table>
<?php
  $tr = 0;
  foreach ($data as $db_data) {
    $tr++;
    if ($tr == 1) {
      echo "<tr>";
      }

    echo "<td>";
    echo $db_data['id'];
    echo "</td>";
    }

  if($tr == 2){

    }
?>
</table>

Scenario is so simple:

Mysql data return 6 no of records from for-each loop the result will be show like this image

Same way the Mysql data return 3 no of records the result will be show like this image

Answer 1

Something like this, maybe

function create_table()

function create_table($data) {
  $res = '<table width="200" border="1">';
  $max_data = sizeof($data);
  $ctr = 1;
  foreach ($data as $db_data) {
    if ($ctr % 2 == 0) $res .= '<td align="center">' . $db_data['id']. '</td></tr>';
    else {
      if ($ctr < $max_data) $res .= '<tr><td align="center">' . $db_data['id']. '</td>';
      else $res .= '<tr><td colspan="2" align="center">' . $db_data['id']. '</td></tr>';
      }
    $ctr++;
    }
  return $res . '</table>';
  }

Course, you can modify style of table to fit your needs.

Call it like this:

echo create_table($data);

Output

(example for 7, 4, 3 and 8 id's)

It returns table with same number of rowsin each column if you pass even number of id's or table where last row is merged if you pass odd number of id's into function.