80 lines
3.1 KiB
PHP
80 lines
3.1 KiB
PHP
<?php
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/**
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* @file pagenate.php
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* @date 2018-01-01
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* @author Go Namhyeon <gnh1201@gmail.com>
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* @brief Page navigation helper
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*/
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if(!function_exists("paginate_get_total_pages")) {
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function paginate_get_total_pages($item_per_page=1.0, $total_records=1.0) {
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$total_pages = 1;
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if($item_per_page > 0) {
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$total_pages = ceil($total_records / $item_per_page);
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}
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return $total_pages;
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}
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}
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// https://www.sanwebe.com/2011/05/php-pagination-function
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if(!function_exists("paginate_make_html")) {
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function paginate_make_html($item_per_page, $current_page, $total_records, $total_pages, $page_url, $qry='') {
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$pagination = '';
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if($total_pages > 0 && $total_pages != 1 && $current_page <= $total_pages) { //verify total pages and current page number
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$pagination .= '<ul class="pagination justify-content-end">';
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$right_links = $current_page + 3;
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$previous = $current_page - 3; //previous link
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$next = $current_page + 1; //next link
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$first_link = true; //boolean var to decide our first link
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// prevent minus page number
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if($previous < 0) {
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$previous = 1;
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}
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$qry_url = '';
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if(!empty($qry)) {
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$qry_url = '?' . $qry;
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}
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if($current_page > 1) {
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$previous_link = ($previous == 0) ? 1 : $previous;
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$pagination .= '<li class="page-item first"><a class="page-link" href="' . $page_url . '1' . $qry_url.'" title="First">«</a></li>'; //first link
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$pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $previous_link . $qry_url.'" title="Previous"><</a></li>'; //previous link
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for($i = ($current_page-2); $i < $current_page; $i++) { //Create left-hand side links
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if($i > 0) {
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$pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $i . $qry_url . '">' . $i . '</a></li>';
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}
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}
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$first_link = false; //set first link to false
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}
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if($first_link) { //if current active page is first link
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$pagination .= '<li class="page-item first active"><a class="page-link" href="#">' . $current_page . '</a></li>';
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} elseif($current_page == $total_pages) { //if it's the last active link
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$pagination .= '<li class="page-item last active"><a class="page-link" href="#">' . $current_page . '</a></li>';
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} else { //regular current link
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$pagination .= '<li class="page-item active"><a class="page-link" href="#">' . $current_page . '</a></li>';
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}
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for($i = $current_page+1; $i < $right_links ; $i++) { //create right-hand side links
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if($i <= $total_pages) {
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$pagination .= '<li class="page-item"><a class="page-link" href="' . $page_url . $i . $qry_url.'">' . $i . '</a></li>';
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}
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}
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if($current_page < $total_pages) {
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$next_link = ($i > $total_pages) ? $total_pages : $i;
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$pagination .= '<li class="page-item"><a class="page-link" href="'. $page_url . $next_link . $qry_url.'" >></a></li>'; //next link
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$pagination .= '<li class="page-item last"><a class="page-link" href="' . $page_url . $total_pages . $qry_url.'" title="Last">»</a></li>'; //last link
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}
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$pagination .= '</ul>';
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}
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return $pagination; //return pagination links
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}
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}
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