PHP paging function multi() discuz_PHP tutorial

Copy code The code is as follows:

/*
* paging function
* $num total number of items, $perpage one How many pages, $curpage current page, $mpurl url, $page = 10 display several pages
*
*/
function multi($num, $perpage, $curpage, $mpurl, $page = 10) {
$multipage = '';
$realpages = 1;
if ($num > $perpage){
$offset = 4;
$realpages = @ceil ($num / $perpage);
if ($page > $realpages) {
$form = 1;
$to = $realpages;
}else {
$form = $curpage - $offset;
$to = $form + $page - 1;
if ($form < 1) {
$form = 1;
//$to = $curpage + 1 - $form;
if ($to - $form < $page) {
$to = $page;
}
}
}

$ multipage = ($curpage > 1 ? 'up ' : '');
for ($i = $form; $i <= $to; $i++) {
$multipage .= $i == $curpage ? ''.$i.'''.$i.' ';
}
$multipage .= $curpage < $realpages ? 'next ' : '';
$multipage = $multipage ? '

'.$multipage.'

' : '';
}

return $multipage;
}

http://www.bkjia.com/PHPjc/320168.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/320168.htmlTechArticleCopy code The code is as follows: /* * Paging function* $num is the total number of items, $perpage is the number of items on a page, $curpage current page, $mpurl url, $page = 10 display several pages* */ function multi($num, $per...