<?php

$sites = site_list();
$site_first = array();
foreach($sites as $row) {
    if(!array_key_exists($row['city'], $site_first)) {
        $site_first[$row['city']] = array();
    }
    array_push( $site_first[$row['city']],$row );
}
//$i = 1;

$db=$site_first;

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

$curcol=0;
$curctr=0;
foreach($db as $city)
{
   foreach($city as $site)
   {
      $td[$col][]=$site[1].'<br />'.$site[3].'<br />'.$site[8];
      $curctr++;
      if($curctr==$percol)
      {
        $curctr=0;
        $curcol++;
      }
   }
}
echo "<table>".PHP_EOL;
for($i=0;$i<$percol;$i++)
{
  echo " <tr>".PHP_EOL;
  for($j=0;$j<$columns;$j++)
    echo '    <td>'. (isset($td[$j][$i])?$td[$j][$i]:'&nbsp;') .'</td>'.PHP_EOL;
  echo " </tr>".PHP_EOL;
}
echo "</table>".PHP_EOL;
?>