<?php
function array_insert ($input_array, $position, $insert_data)
{
$part1 = array_slice($input_array,0,$position);
$part2 = array_slice($input_array,$position);
$output= array_merge($part1,$insert_data,$part2);
return ($output);
}

$ax  = array("a","b","c","d","e");
$ay  = array("1","2","3");
print_r (array_insert ($ax, 3, $ay));
?>

<?php
  function array_insert(&$input, $offset, $replacement){
    array_splice($input, $offset, 0, 0);
    $input[$offset] = $replacement;
  }
?>

<?php

  $a = array( 'a', 'b', 'c', 'd', 'e', 'f' );
  $b = array( '1', '2', '3' );
  array_splice( $a, 3, 0, $b );
  print_r($a);

?>

$period="3";
$sql2 = "SELECT  u*, d.idk, d.idtov AS idtov_d,  
d. klient, d.kollich, d.ids AS d.ids_d, d.idtov AS idtov_d  
             FROM `users`, 
                LEFT JOIN distrib AS d ON u.ids = d.ids
                LEFT JOIN ceti AS c ON u.ids = c.ids
             WHERE u.period='" . $period . "'
             GROUP BY u.ids";
$result = mysql_query($sql2);

echo "<table>";
while($row = mysql_fetch_row($result))
{
  echo "<tr>";
  echo "<td>$row[idk]</td>\n";
  echo "<td>$row[idtov_d]</td>\n";
  echo "<td>$row[klientd]</td>\n";
  echo "<td>$row[kollich2]</td>\n";
  echo "<td>$row[ids]</td>\n";
  echo "</tr>";
}
  echo "</table>";

  $result = mysql_query($sql2);

  if ( !$result )
    die(mysql_error());