03-27-2011, 07:35 PM
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#1 (permalink)
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The Visitor
Join Date: Mar 2011
Posts: 1
Thanks: 0
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can anyone explains this snippet in the pagination?
this is a part of a class of aguestbook with pagination
but i can't understand well this mathematical procedure as i am anewbie
Code:
var $itemsPerPage = 5;
$page = isset($_GET['page']) ? $_GET['page'] : 1;
$startItem = ($page-1)*$this->itemsPerPage;
if (($startItem + $this->itemsPerPage) > sizeof($list)) $endItem = sizeof($list);
else $endItem = $startItem + $this->itemsPerPage;
can anyone explains this in detail?,and i'll be appreciated.........
whay the start item is as like that?
and this if coded like that? |
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