Tablo renklendirme

tr td
{
    background-color: #fff;
}

tr:nth-child(even) td:nth-child(odd),
tr:nth-child(odd) td:nth-child(even)
{
    background-color: #ccc;
}

tr:nth-child(even) td:nth-child(2n+2) {
    background:#ddd;
}

tr:nth-child(odd) td:nth-child(2n+1) {
    background:#ddd;
}

tr:nth-child(even) td:nth-child(2n+1) {
    background:#aaa;
}

tr:nth-child(odd) td:nth-child(2n+2) {
    background:#aaa;
}

$tabloData = [
  0 => [
    'dil' => 'PHP',
    'versiyon' => 8
  ],
  1 => [
    'dil' => 'Python',
    'versiyon' => 3
  ],
  2 => [
    'dil' => 'C',
    'versiyon' => 5
  ],
  3 => [
    'dil' => 'C++',
    'versiyon' => 6
  ]
];

function td($ix) {
  static $i = 0;
  return (($ix + $i++) % 2) === 0
  ? 'tdAcik'
  : 'tdKapali';
}

echo '<table>';
for ($ix = 0; $ix < count($tabloData); $ix++) {
  echo '
  <tr>
    <td class="'.td($ix).'">
      ' . $tabloData[$ix]['dil'] . '
    </td>
    <td class="'.td($ix).'">
      ' . $tabloData[$ix]['versiyon'] . '
    </td>
  </tr>
  ';
  $i++;
}
echo '</table>';

<table>
  <tr>
    <td class="tdAcik">
      PHP
    </td>
    <td class="tdKapali">
      8
    </td>
  </tr>

  <tr>
    <td class="tdKapali">
      Python
    </td>
    <td class="tdAcik">
      3
    </td>
  </tr>

  <tr>
    <td class="tdAcik">
      C
    </td>
    <td class="tdKapali">
      5
    </td>
  </tr>

  <tr>
    <td class="tdKapali">
      C++
    </td>
    <td class="tdAcik">
      6
    </td>
  </tr>
  </table>