<?php
$sites = site_list('city');
$lastcity='';
foreach($sites as $site)
{
   if($site['city']!=$lastcity)
   {
      $lastcity=$site['city'];
      $listings[]=$lastcity;
   }
   $listings[]=$site;
}

$columns=3;
$count=count($listings);
$percol=intval(ceil($count/$columns));

$curcol=0;
$curctr=0;

echo "<table>".PHP_EOL;
for($i=0;$i<$percol;$i++)
{
  echo " <tr>".PHP_EOL;
  for($j=0;$j<$columns;$j++)
  {
        $list_item=($j*$percol)+$i;
        echo '  <td>';
        if(!isset($listings[$list_item]))
            echo "&nbsp;";
        elseif(is_string($listings[$list_item])) // City Change
            echo '<b><i>'. $listings[$list_item] .'</i></b>';
        else // its a site
        {
            $item=$listings[$list_item];
            echo $item[1].'<br />'.$item[3].'<br />';
        }
        echo '</td>'.PHP_EOL;
  }
  echo " </tr>".PHP_EOL;
}
echo "</table>".PHP_EOL;