How to implement a practical paging class through PHP

Useful page-Paging classes in PHP

<table width= "100%" border= "1" cellpadding= "0" cellspacing= "0" >    <tr>        <td> Region code </td>        <td> region name </td>        <td> Parent Code </td>    </tr>    <?php    include (" LZY.class.php ");    $db = new LZY ();    Include ("page.class.php");    Check the total number of bars    $sz = "SELECT count (*) from chinastates";    $az = $db->query ($sz);    1. Build Object    $page = new page ($az [0][0],10);    2. Stitch the limit variable of the paging class behind the SQL statement    $sql = "SELECT * from Chinastates". $page->limit;    $arr = $db->query ($sql);    foreach ($arr as $v)    {        echo <tr>       <td>{$v [0]}</td>        <td>{$v [1]}</td >        <td>{$v [2]}</td>    </tr> ";    }    ? ></TABLE><?PHP//3. Output paging information echo $page->fpage ();? ></body>