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<?php function http_protocol() { return (isset($_SERVER['HTTPS']) ? 'https' : 'http') . '://'; } function http_host() { return $_SERVER['HTTP_HOST']; } function http_uri() { return parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH); } function http_refactored_query_strings() { $queries = explode('&', $_SERVER['QUERY_STRING']); $refactoredQueries = []; foreach( $queries as $query ) { $refactoredQueries[] = filter_var(explode('=', $query)[1], FILTER_SANITIZE_STRING); } $queries = implode('/', $refactoredQueries); return $queries ?: ''; } function http_refactored_url() { return http_protocol() . http_host() . http_uri() . http_refactored_query_strings(); } echo http_refactored_url(); ?> <?php class Pagination { public $current_page; public $per_page; public $total_count; public $pages_articles; public function __construct($page=1, $per_page=20, $total_count=0) { $this->current_page = (int)$page; $this->per_page = (int)$per_page; $this->total_count = (int)$total_count; $this->pages_articles=array( '<div class="article-loop"><img src="http://i.imgur.com/CmU3tnl.jpg"></div>', '<div class="article-loop"><img src="http://i.imgur.com/TDdxS9H.png"></div>', '<div class="article-loop"><img src="http://i.imgur.com/39rpmwB.jpg"></div>', '<div class="article-loop"><img src="http://i.imgur.com/1lBZQ1B.png"></div>', '<div class="article-loop"><img src="https://i.imgur.com/Y5Ld4Qfh.jpg"></div>', '<div class="article-loop"><img src="http://i.imgur.com/wQVPRVp.png"></div>'); $this->total_count = sizeof($this->pages_articles); } public function offset() { return ($this->current_page - 1) * $this->per_page; } public function total_pages() { return ceil($this->total_count/$this->per_page); } public function previous_page() { return $this->current_page - 1; } public function next_page() { return $this->current_page + 1; } public function has_previous_page() { return $this->previous_page() >= 1 ? true : false; } public function has_next_page() { return $this->next_page() <= $this->total_pages() ? true : false; } } $page = !empty($_GET['page']) ? (int)$_GET['page'] : 1; $per_page = 3; $pagination = new Pagination($page, $per_page, $total_count); ?> <html> <body> <div> <?php $i = $pagination->offset() ; $limit = $pagination->per_page; while($i<$pagination->total_count && $limit>0) { echo $pagination->pages_articles[$i]."<br>"; $i++; $limit--; } ?> </div> <ul> <?php if($pagination->has_previous_page()) { echo '<li style="display:inline"><a href="?page='.$pagination->previous_page().'">«</a></li>'; } else { echo '<li style="display:inline" class="disabled"><a href="#">«</a></li>'; } for($i=1; $i<=$pagination->total_pages(); $i++) { echo '<a href="?page='.$i.'"><li style="display:inline; margin-left:5px; margin-right:5px">'.$i.'</li></a>'; } if($pagination->has_next_page()) { echo '<li style="display:inline"><a href="?page='.$pagination->next_page().'">»</a></li>'; } else { echo '<li style="display:inline" class="disabled"><a href="#">»</a></li>'; } ?> </ul> </body> </html>