<?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><tr>'.PHP_EOL;

for($i=0;$i<$count;$i++)
{
  if(!($i%$percol)
  {
     echo '<td><ul>';
     $flag=1;
  } else $flag=0;

  if(is_string($listings[$list_item])) // City Change
    echo '<b><i>'. $listings[$list_item] .'</i></b>';
  else // its a site
  {
    $item=$listings[$i];
    echo '<li>$item[1].'<br />'.$item[3].'<br /></li>';
  }
  echo '<br />'.PHP_EOL;
  if($flag) echo '</ul></td>'.PHP_EOL;
}
echo "</tr></table>".PHP_EOL;