<?php
/*
* Created on 2011-07-28
* Author : LKK ,
*How to use:
require_once('');
$result=mysql_query("select * from mytable", $myconn);
$total=mysql_num_rows($result); //Total number of information obtained
pageDivide($total,10); //Calling the pagination function
//Database operation
$result=mysql_query("select * from mytable limit $sqlfirst,$shownu", $myconn);
while($row=mysql_fetch_array($result)){
...Your operation
}
echo $pagecon; //Output page navigation content
*/
if(!function_exists("pageDivide")){
#$total Total information
#$shownu Display quantity, default 20
#$url Link to this page
function pageDivide($total,$shownu=20,$url=''){
#$page Current page number
#$sqlfarst mysql database start item
#$pagecon Pagination Navigation Content
global $page,$sqlfirst,$pagecon,$_SERVER;
$GLOBALS["shownu"]=$shownu;
if(isset($_GET['page'])){
$page=$_GET['page'];
}else $page=1;
#If $url uses the default, i.e., empty value, then the value is assigned to the URL of this page
if(!$url){ $url=$_SERVER["REQUEST_URI"];}
#URL Analysis
$parse_url=parse_url($url);
@$url_query=$parse_url["query"]; //Retrieve the content after the question mark?
if($url_query){
$url_query=preg_replace("/(&?)(page=$page)/","",$url_query);
$url = str_replace($parse_url["query"],$url_query,$url);
if($url_query){
$url .= "&page";
}else $url .= "page";
}else $url .= "?page";
#Page number calculation
$lastpg=ceil($total/$shownu); //Last page, total number of pages
$page=min($lastpg,$page);
$prepg=$page-1; //Previous page
$nextpg=($page==$lastpg ? 0 : $page+1); //Next page
$sqlfirst=($page-1)*$shownu;
#Start the page navigation content
$pagecon = "Show the ".($total?($sqlfirst+1):0)."-".min($sqlfirst+$shownu,$total)." records, a total of <B>$total</B> records";
if($lastpg<=1) return false; // If there is only one page, jump out
if($page!=1) $pagecon .=" <a href='$url=1'>Home</a> "; else $pagecon .=" Home ";
if($prepg) $pagecon .=" <a href='$url=$prepg'>Previous page</a> "; else $pagecon .=" Previous page ";
if($nextpg) $pagecon .=" <a href='$url=$nextpg'>Last page</a> "; else $pagecon .="Last page ";
if($page!=$lastpg) $pagecon.=" <a href='$url=$lastpg'>Last Page</a> "; else $pagecon .="Last Page ";
#Drop down jump list, loop to list all page numbers
$pagecon .=" To the <select name='topage' size='1' onchange='=\"$url=\"+'>\n";
for($i=1;$i<=$lastpg;$i++){
if($i==$page) $pagecon .="<option value='$i' selected>$i</option>\n";
else $pagecon .="<option value='$i'>$i</option>\n";
}
$pagecon .="</select> pages, total $lastpg pages";
}
}else die('pageDivide() function with the same name already exists!');
?>