Array pagination with php.php

<?php
$data = file("data");
$total = count($data);

$limit = 10;

$page = intval($_GET["page"]);
if($page<=0) $page = 1;

$pages = ($total) ? ceil($total/$limit) : 1;

$count = 0;
$i = ($page-1)*$limit;
while($count<$limit && $i<$total){
	echo $data[$i];
	$i++;
	$count++;
}
echo pagination($total, $page, false, $limit);
function pagination($total, $current, $format = "?page=%d", $limit='1'){
	$page_count = ceil($total/$limit);
	$current_range = array(($current-5 < 1 ? 1 : $current-3), ($current+5 > $page_count ? $page_count : $current+3));

	$first_page = $current > 5 ? '<li><a href="'.sprintf($format, '1').'">First</a></li>'.($current < 5 ? ' ' : '') : null;
	$last_page = $current < $page_count-2 ? ($current > $page_count-4 ? ' ' : '  ').'<li><a href="'.sprintf($format, $page_count).'">Last</a></li>' : null;

	$previous_page = $current > 1 ? '<li><a href="'.sprintf($format, ($current-1)).'">Previous</a></li> ' : null;
	$next_page = $current < $page_count ? ' <li><a href="'.sprintf($format, ($current+1)).'">Next</a></li> ' : null;

	for ($x=$current_range[0];$x <= $current_range[1]; ++$x)    
		$pages[] = ($x == $current ? '<li class="active"><a href="#">'.$x.'</a></li>' : '<li><a href="'.sprintf($format, $x).'"">'.$x.'</a></li>');
	
	if ($page_count > 1)
		return '<center><ul class="pagination">'.$first_page.$previous_page.implode(' ', $pages).$next_page.$last_page.'</ul></center>';
}