PHP Paging implementation

<?phpheader ("Content-type:text/html;charset=utf8"); include ' conn.php ';
Number of data bars displayed per page $pagesise = 2;
$result = $conn->query ("SELECT * from Message"),//Data total number $totalnum = $result->num_rows;//Total pages $totalpagecount = Ceil ( $totalNum/$pageSise);
Determine which page is currently $nowpage = isset ($_get[' page ')? Intval ($_get[' page '): 1;//prev $prev = ($nowPage-1 <=0)? 1: $nowPage -1;//Next $next = ($nowPage +1>= $totalPageCount)? $totalPageCount: $nowPage +1;//If the number of pages passed in is greater than the total page count, the Nowpage is assigned again
if ($nowPage > $totalPageCount | | $nowPage = = 0) {//echo "Error:can not found the page<br>"; $nowPage = $totalPageCo UNT;}
Offset amount
$offset = ($nowPage-1) * $pageSise;
SQL statements
$sql = "SELECT * from Message limit $offset, $pageSise"; $result 2 = $conn->query ($sql);//Output page content while ($row = $result 2-&gt ; Fetch_assoc ()) {echo $row [' user ']. ' | '. $row [' title ']. ' <br> ';}? >
<!--page start, first write the pagination HTML and css--> <link href= "//cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css" rel= " Stylesheet "> <script src="//cdn.bootcss.com/jquery/2.1.1/jquery.min.js "></script> <script src="/ /cdn.bootcss.com/bootstrap/3.3.6/js/bootstrap.min.js "></script> <ul class=" pagination "> <?php echo "<li><a href= '". $_server[' Php_self ']. "? Page=1 ' > Home </a></li> '; echo "<li><a href= '". $_server[' Php_self ']. "? Page= ". $prev." >&laquo;</a></li> ";?> <?php $page = 5; for ($a =1; $a <= $page; $a + +) {echo "<li><a href= '". $_server[' Php_self ']. "? Page= ". $a." > $a </a></li> "; }?>
<?php echo "<li><a href= '". $_server[' Php_self ']. "? Page= ". $next." >&raquo;</a></li> "; echo "<li><a href= '". $_server[' Php_self ']. "? Page= ". $totalPageCount." > End </a></li> ";?></ul>

PHP Paging implementation