page.php

<?php
class page {
    public $element_per_page = 10,
        $nb_links = 2,
        $nb_page = 0,
        $page = 1;

    public function display_page($data) {
        $this->nb_element = count($data);
        $this->nb_page = ceil($this->nb_element / $this->element_per_page);

        if (!empty($_GET['p']) && $_GET['p'] > 0 && $_GET['p'] <= $this->nb_page) {
            $this->page = $_GET['p'];
        }

        return $this->getPagination();
    }

    public function getPagination() {

        $pages = array();

        if ($this->page == $this->nb_links+2) {
            $pages[]['value'] = 1;
        } else if($this->page > $this->nb_links+2) {
            $pages[]['value'] = 1;
            $pages[]['value'] = '…';
        }

        $start = $this->page-$this->nb_links;

        if ($start < 1) {
            $start = 1;
        }

        for ($i=$start; $i<=$this->page+$this->nb_links; $i++) {
            if ($i>0 && $i<=$this->nb_page) {
                $pages[$i]['value'] = $i;
                if ($this->page == $i) {
                    $pages[$i]['selected'] = 'selected';
                }
            } else {
                break;
            }
        }

        if ($this->page < $this->nb_page-$this->nb_links-1) {
            $pages[]['value'] = '…';
        }

        if ($this->page <= $this->nb_page-($this->nb_links+1)) {
            $pages[]['value'] = $this->nb_page;
        }

        return $pages;

    }

}