Beautiful PHP verification code class

  class Page {
 private $total; //Total records
 private $pagesize; //How many records are displayed on each page?
 private $limit; //limit
 private $page; //Current page number
 private $pagenum; //Total page number
 private $url; //Address
 private $bothnum; //The amount of digital paging kept on both sides

 //Constructor method initialization
 public function __construct($_total, $_pagesize) {
 $this->total = $_total ? $_total : 1;
 $this->pagesize = $_pagesize;
 $this->pagenum = ceil($this->total / $this->pagesize) ;
 $this->page = $this->setPage();
 $this->limit = "LIMIT ".($this->page-1)*$this->pagesize.", $this->pagesize";
 $this->url = $this->setUrl();
 $this->bothnum = 2;
 }

 //Interceptor
 private function __get($_key ) {
 return $this->$_key;
 }

 //Get the current page number
 private function setPage() {
 if (!empty($_GET['page'])) {
 if ($_GET[ 'page'] > 0) {
 if ($_GET['page'] > $this->pagenum) {
 return $this->pagenum;
 } else {
 return $_GET['page' ];
 }
 } else {
 return 1;
 }
 } else {
 return 1;
 }
 }

 //Get address
 private function setUrl() {
 $_url = $_SERVER["REQUEST_URI"] ;
 $_par = parse_url($_url);
 if (isset($_par['query'])) {
 parse_str($_par['query'],$_query);
 unset($_query['page' ]);
 $_url = $_par['path'].'?'.http_build_query($_query);
 }
 return $_url;
 } //Digital directory
 private function pageList() {
 for ($i =$this->bothnum;$i>=1;$i--) {
 $_page = $this->page-$i;
 if ($_page < 1) continue;
 $_pagelist .= ' '.$_page.' ';
 }
 $_pagelist .= ' < ;span class="me">'.$this->page.' ';
 for ($i=1;$i<=$this->bothnum;$i++) {
 $_page = $this->page+$i;
 if ($_page > $this->pagenum) break;
 $_pagelist .= ' '.$_page.' ';
 }
 return $_pagelist;
 }

 //Homepage
 private function first() {
 if ($this ->page > $this->bothnum+1) {
 return ' 1 ...';
 }
 }

 //Previous page
 private function prev() {
 if ($this->page == 1) {
 return 'Previous page
 }
 return ' Previous page }

 //Next page
 private function next() {
 if ($this->page == $this->pagenum) {
 return '  ';
 return ' ...'.$this->pagenum.' ';
 }
 }

 / /Paging information
 public function showpage() {
 $_page .= $this->first();
 $_page .= $this->pageList();
 $_page .= $this->last( );
 $_page .= $this->prev();
 $_page .= $this->next();
 return $_page;
 }
 }
 ?>

The pagination style is as shown below:

Instructions for use:

  $_page = new Page($_total,$_pagesize); //Where $_total is the total number of items in the data set, $_pagesize is the number displayed on each page.
 ?>

Verification code, PHP