/*
function array2csv(array &$array)
{
   if (count($array) == 0) {
     return null;
   }
   ob_start();
   $df = fopen("php://output", 'w');
   fputcsv($df, array_keys(reset($array)));
   foreach ($array as $row) {
      fputcsv($df, $row);
   }
   fclose($df);
   return ob_get_clean();
}

*/


$out = fopen("php://output", 'w');
foreach ($array as $data)
{
    fputcsv($out, $data("1","2","3","4"),"\t");
}


fclose($out);
*/