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PHP Paginator Class
<?php
class Paginator{
var $items_per_page;
var $items_total;
var $current_page;
var $num_pages;
var $mid_range;
var $low;
var $high;
var $limit;
var $return;
var $default_ipp = 25;
function Paginator()
{
$this->current_page = 1;
$this->mid_range = 7;
$this->items_per_page = (!empty($_GET['ipp'])) ? $_GET['ipp']:$this->default_ipp;
}
function paginate()
{
if(isset($_GET['ipp'])){
if($_GET['ipp'] == 'All')
{
$this->num_pages = ceil($this->items_total/$this->default_ipp);
$this->items_per_page = $this->default_ipp;
}
else
{
if(!is_numeric($this->items_per_page) OR $this->items_per_page <= 0) $this->items_per_page = $this->default_ipp;
$this->num_pages = ceil($this->items_total/$this->items_per_page);
}
}
if(isset($_GET['page'])){
$this->current_page = (int) $_GET['page']; // must be numeric > 0
}
if($this->current_page < 1 Or !is_numeric($this->current_page)) $this->current_page = 1;
if($this->current_page > $this->num_pages) $this->current_page = $this->num_pages;
$prev_page = $this->current_page-1;
$next_page = $this->current_page+1;
//var_dump($this->num_pages);die;
//if($this->num_pages > 10)
if(true)
{
$this->return = ($this->current_page != 1 And $this->items_total >= 10) ? "<a class=\"paginate\" href=\"$_SERVER[PHP_SELF]?page=$prev_page&ipp=$this->items_per_page\">« Previous</a> ":"<span class=\"inactive\" href=\"#\">« Previous</span> ";
$this->start_range = $this->current_page - floor($this->mid_range/2);
$this->end_range = $this->current_page + floor($this->mid_range/2);
if($this->start_range <= 0)
{
$this->end_range += abs($this->start_range)+1;
$this->start_range = 1;
}
if($this->end_range > $this->num_pages)
{
$this->start_range -= $this->end_range-$this->num_pages;
$this->end_range = $this->num_pages;
}
$this->range = range($this->start_range,$this->end_range);
for($i=1;$i<=$this->num_pages;$i++)
{
if($this->range[0] > 2 And $i == $this->range[0]) $this->return .= " ... ";
// loop through all pages. if first, last, or in range, display
if($i==1 Or $i==$this->num_pages Or in_array($i,$this->range))
{
$this->return .= ($i == $this->current_page And $_GET['page'] != 'All') ? "<a title=\"Go to page $i of $this->num_pages\" class=\"current\" href=\"#\">$i</a> ":"<a class=\"paginate\" title=\"Go to page $i of $this->num_pages\" href=\"$_SERVER[PHP_SELF]?page=$i&ipp=$this->items_per_page\">$i</a> ";
}
if($this->range[$this->mid_range-1] < $this->num_pages-1 And $i == $this->range[$this->mid_range-1]) $this->return .= " ... ";
}
$this->return .= (($this->current_page != $this->num_pages And $this->items_total >= 10) And ($_GET['page'] != 'All')) ? "<a class=\"paginate\" href=\"$_SERVER[PHP_SELF]?page=$next_page&ipp=$this->items_per_page\">Next »</a>\n":"<span class=\"inactive\" href=\"#\">» Next</span>\n";
if(isset($_GET['page'])){
$this->return .= ($_GET['page'] == 'All') ? "<a class=\"current\" style=\"margin-left:10px\" href=\"#\">All</a> \n":"<a class=\"paginate\" style=\"margin-left:10px\" href=\"$_SERVER[PHP_SELF]?page=1&ipp=All\">All</a> \n";
}
}
else
{
for($i=1;$i<=$this->num_pages;$i++)
{
$this->return .= ($i == $this->current_page) ? "<a class=\"current\" href=\"#\">$i</a> ":"<a class=\"paginate\" href=\"$_SERVER[PHP_SELF]?page=$i&ipp=$this->items_per_page\">$i</a> ";
}
$this->return .= "<a class=\"paginate\" href=\"$_SERVER[PHP_SELF]?page=1&ipp=All\">All</a> \n";
}
$this->low = ($this->current_page-1) * $this->items_per_page;
if(isset($_GET['ipp'])){
$this->high = ($_GET['ipp'] == 'All') ? $this->items_total:($this->current_page * $this->items_per_page)-1;
$this->limit = ($_GET['ipp'] == 'All') ? "":" LIMIT $this->low,$this->items_per_page";
}
}
function display_items_per_page()
{
$items = '';
$ipp_array = array(10,25,50,100,'All');
foreach($ipp_array as $ipp_opt) $items .= ($ipp_opt == $this->items_per_page) ? "<option selected value=\"$ipp_opt\">$ipp_opt</option>\n":"<option value=\"$ipp_opt\">$ipp_opt</option>\n";
return "<span class=\"paginate\">Items per page:</span><select class=\"paginate\" onchange=\"window.location='$_SERVER[PHP_SELF]?page=1&ipp='+this[this.selectedIndex].value;return false\">$items</select>\n";
}
function display_jump_menu()
{
$option = null;
for($i=1;$i<=$this->num_pages;$i++)
{
$option .= ($i==$this->current_page) ? "<option value=\"$i\" selected>$i</option>\n":"<option value=\"$i\">$i</option>\n";
}
return "<span class=\"paginate\">Page:</span><select class=\"paginate\" onchange=\"window.location='$_SERVER[PHP_SELF]?page='+this[this.selectedIndex].value+'&ipp=$this->items_per_page';return false\">$option</select>\n";
}
function display_pages()
{
return $this->return;
}
}
?>
@daslicht

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Owner Author

commented Aug 3, 2014

@richard-hobbs

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commented Jun 24, 2016

Please could you send a sample index file to show this pagination class in action, as the source above doesn't seem to work with this class, thank you

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