PHP Paginator Class

gistfile1.php

<?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;
    }
}
?>

Fixed some notices, source can be found here: http://code.tutsplus.com/tutorials/how-to-paginate-data-with-php--net-2928

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