PHP Easy page Pagination code

After using PHP to make a blog, for the pagination code really let me this 0 basis of the people to pay some old strength, finally studied the day after night, reluctantly wrote a simple code, reluctantly can use. This is the first version and will be updated to be paged in the same way as a class. Cheer Up ~

<?php //set the number of articles displayed per page $pagesize=5;//determine the parameters of the pages P @ $p =$_get[' P ']?$_get[' p ']:1;//data pointer $offset =  ($p-1) *$ pagesize;//Query the data displayed on this page    $query  =  "select * from  ' Arts '  order by  id DESC limit  $offset, $pagesize ";   //query data    $res =mysql_query ($query);   while  ($row =mysql_fetch_array ($res)) { //cycle started? ><div class= "Nav_new" >   <ul>    <li><a href= "view.php?id=<?php echo  $row [' Id ']?> '  target= "_blank" ><?php echo  $row [' title ']?></a></li>   </ul>  </div><?php   }?>    <div style= "width:990px; height:15px; margin-top:15px;text-align:right;" ><?php //calculate the total number of messages $count_result=mysql_query ("select count (*)  as count from  Arts "); $count _array=mysql_fetch_array ($count _result);//Calculation totalPage $pagenum=ceil ($count _array[' count ']/$pagesize);//output individual pages and links if ($pagenum >1) {    for ($i =1 , $i <= $pagenum, $i + +) {        if ($i = = $p) {             echo  ' [', $i, '] ';         }else{            echo  " ;".‘ <a href= "index.php?p=", $i, ' > ', $i, ' &nbsp;</a> ';         }    }}echo  "&nbsp;&nbsp;". ' Total ', $count _array[' count '], ' article ';? >        </div>

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PHP Easy page Pagination code