记录一下PHP数组数据分页的方法_PHP教程

	public function books($pagenum = 1)
	{
		include_once("page.php");
		include("arr_books.php");
		
		foreach ($data['books'] as $key=>$value){
			$name[$key] = $value['name'];
			$rank[$key] = $value['rank'];
		}
		
		array_multisort($rank,SORT_NUMERIC,SORT_DESC,$data['books']); 	// 倒序
		//array_multisort($rank,SORT_NUMERIC,SORT_ASC,$data['books']);	// 顺序
		
		$perpage = 10;
		$count = count($data['books']);
		$pages = new PageClass($count, $perpage, $pagenum, base_url().'veda/books/{page}/');
		$start = ($pagenum - 1) * $perpage;
		$data['bks'] = array_slice($data['books'], $start, $perpage);

		$data['nav'] = $pages -> myde_write($pagenum);
		
		$this->load->view('header', $data);
      	$this->load->view('books', $data);
      	$this->load->view('footer', $data);
	} 

$perpage = 2;
$page = intval(getgpc('page')) ? intval($_G['gp_page']) : 1;
$start = ($page - 1) * $perpage;
$count = count($group_list);
$list = array_slice($group_list, $start, $perpage);
$multipage = multi($count, $perpage, $page, "home.php?mod=space&do=group&type=".getgpc('type'));

<?php
$a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
print_r(array_slice($a,1,2));
// Array ( [0] => Cat [1] => Horse )
?>

<?php
$a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
print_r(array_slice($a,-2,1));
// Array ( [0] => Horse )
?>

<?php
$a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
print_r(array_slice($a,1,2,true));
// Array ( [1] => Cat [2] => Horse )
?>

<?php
$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse","d"=>"Bird");
print_r(array_slice($a,1,2));
// Array ( [b] => Cat [c] => Horse )
?>