Viewing file:  SimplePager.php (1.54 KB) -rw-rw-rw-
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<?php
/**
* @package SPLIB
* $Id: SimplePager.php,v 1.1 2003/12/12 08:06:07 kevin Exp $
*/
/**
* SimplePager class
* Used to help calculate the number of pages in a database result set
* @access public
* @package SPLIB
*/
class SimplePager {
/**
* Total number of pages
* @access private
* @var int
*/
var $totalPages;
/**
* The row MySQL should start it's select with
* @access private
* @var int
*/
var $startRow;
/**
* SimplePager Constructor
* @param int number of rows per page
* @param int total number of rows available
* @param int current page being viewed
* @access public
*/
function SimplePager($rowsPerPage,$numRows,$currentPage=1) {
// Calculate the total number of pages
$this->totalPages=ceil($numRows/$rowsPerPage);
// Check that a valid page has been provided
if ( $currentPage < 1 )
$currentPage=1;
else if ( $currentPage > $this->totalPages )
$currentPage=$this->totalPages;
// Calculate the row to start the select with
$this->startRow=(($currentPage - 1) * $rowsPerPage);
}
/**
* Returns the total number of pages available
* @return int
* @access public
*/
function getTotalPages () {
return $this->totalPages;
}
/**
* Returns the row to start the select with
* @return int
* @access public
*/
function getStartRow() {
return $this->startRow;
}
}
?>
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