require "vendor/autoload.php";

use Pronist\Pagination;

$pager = 'page';
$current_page = $_GET[$pager]; 

/** 
 * this is pager variable
 * localhost/?page=1
 */
if(!isset($current_page)) $current_page = 1;

$pagination = new Pagination();

$pagination
    ->set_pager($pager)
    ->set_current_page($current_page)
    ->set_page_link($_SERVER['PHP_SELF'])
    ->set_limit_content(5)
    /** 
     * if your post is 31 pages, the pagination is 7
     * bacause each page has been set to display as 5 contents
     */
    ->set_content_count(31)
    /** 
     * how many content do you display pagination?
     * this is set to display 5 pagers
     */ 
    ->set_page_size(5)
;

$pagination->ready();

/** get links about the pages! */
$links = $pagination->get_pages_link();

foreach($links as $key => $link):
    if($key != $current_page):
        echo "<a href='$link'>$key</a>";
    else: 
        echo "<strong>$key</strong>";
    endif;
endforeach;

$pagination = new Pagination();

$pagination->set_page_size(5);

$pagination->set_current_page($_GET[$pager]);

$pagination->set_pager('page');

$pagination->set_limit_content(5);

$pagination->set_page_link($_SERVER['PHP_SELF']);

$pagination->set_content_count(31);

$pagination->ready();

$prev_link = $pagination->get_prev_link();

$next_link = $pagination->get_next_link();

$first_link = $pagination->get_first_link();

$last_link = $pagination->get_last_link();

$links = $pagination->get_pages_link();

foreach($links as $key => $link):
    if($key != $current_page):
        echo "<a href='$link'>$key</a>";
    else: 
        echo "<strong>$key</strong>";
    endif;
endforeach;