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|
<?php
class pagination{
public function __construct() {
}
public function calculate_pages($total_rows, $rows_per_page, $page_num) {
$arr = array();
// calculate last page
$last_page =ceil($total_rows / $rows_per_page);
// make sure we are within limits
$page_num = (int) $page_num;
if ($page_num < 1) {
$page_num = 1;
}
elseif ($page_num > $last_page) {
$page_num = $last_page;
}
$upto =($page_num - 1)*$rows_per_page;
$arr['limit'] ='LIMIT '.$upto.',' .$rows_per_page;
$arr['current'] =$page_num;
if ($page_num === 1){
$arr['previous'] = $page_num;
}
else{
$arr['previous'] = $page_num - 1;
}
if ($page_num === $last_page){
$arr['next'] = $last_page;
}
else{
$arr['next'] = $page_num + 1;
}
$arr['last'] = $last_page;
$arr['info'] ='Page ('.$page_num.' of '.$last_page.')';
$arr['pages'] =$this->get_surrounding_pages($page_num, $last_page, $arr['next']);
return $arr;
}
function get_surrounding_pages($page_num, $last_page, $next){
$arr = array();
$show = 3; // how many boxes
// at first
if ($page_num === 1) {
// case of 1 page only
if ($next === $page_num){
return array(1);
}
for ($i = 0; $i < $show; $i++) {
if ($i === $last_page){
break;
}
array_push($arr, $i + 1);
}
return $arr;
}
// at last
if ($page_num === $last_page) {
$start = $last_page - $show;
if ($start < 1){
$start = 0;
}
for ($i = $start; $i < $last_page; $i++){
array_push($arr, $i + 1);
}
return $arr;
}
// at middle
$start = $page_num - $show;
if ($start < 1){
$start = 0;
}
for ($i = $start; $i < $page_num; $i++) {
array_push($arr, $i + 1);
}
for ($i = ($page_num + 1); $i < ($page_num + $show); $i++) {
if ($i === ($last_page + 1)){
break;
}
array_push($arr, $i);
}
return $arr;
}
}
$g_page=(isset($_GET['p']))? $_GET['p'] : 1;
$inst=new pagination();
$arr = $inst->calculate_pages(170, 5, $g_page);
echo '<a href="pagination.php?p=1"><< First</a> ';
foreach ($arr['pages'] as $k=>$v){
IF ((int)$arr['current']=== $v){
echo '<b>'.$v.'</b> |';
}
else{
//echo 'non';
echo '<a href="pagination.php?p='.$v.'">'.$v.'</a> |';
}
}
echo '<a href="pagination.php?p='.$arr['last'].'">Last >></a>';
?> |
Class pagination avec problème d'affichage
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Envoyé par Retrokiller069
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