displaying 10 rows in each page and creates a new form if it exceeds that page

$index = $q->params('i'); #first page is called with i=1
$max = ???; #number of rows
$MAXROWS = 10;

$end = $max;
$next = 0;
if (($max - $index) >= $MAXROWS) {
  $end = $index + $MAXROWS - 1;
  $next = 1;
}

#rows
for ($i = $index; $i <= $end; $i++) {
  print $rows[$i - 1]; #if first elements index is 0
}

#prev-link
if ($index > 1) {
  $j = $index - $MAXROWS;
  if ($j < 1) {
    $j = 1;
  }
  print "<a href='http://url?i=$j'>Prev</a>";
}

#direct links
if ($max > $MAXROWS) {
  for ($i = 1; $i <= $max; $i = $i + $MAXROWS) {
    if (($i >= $index) && ($i < ($index + $MAXROWS))) {
      print " $i "; #actual page is not a link
    } else {
      print " <a href='http://url?i=$i'>$i</a> ";
    }
  }
}

#next link
if ($next) {
  print "<a href='http://url?i=" . ($end + 1) . "'>Next</a>";
}