php+oracle paging class

<?php 
$conn = ociplogon("test","123456","test123"); 
include_once "pager.inc.php"; 
?>

<?php 
/** 分页测试开始 */ 

// {{{ 初始分页对象 
$pager = new pager(); 
/** 将 select id,name,age from test where age>20 order by id desc 拆分 */ 
$sqlArr = array(&#39;conn&#39; => $conn, // 数据库连结 
&#39;fields&#39; => " id,name,age ", // 查询主语句 
&#39;table&#39; => "test", // 表名 
&#39;condition&#39; => " age>20 ", // 查询条件 
&#39;order&#39; => " order by id desc " // 排序方式 
); 
if (!$pager->listn($sqlArr,10,$page)) // 每页显示10条 
{ 
$pager->errno = 10; 
die($pager->errmsg()); 
} 
//}}} 

// {{{ 数据显示 
for( $i = 0; $i < count($pager->result); $i++) 
{ 
$tmp = $pager->result[$i]; 
echo " id:".$tmp[&#39;ID&#39;]."<br>"; 
echo " name:".$tmp[&#39;NAME&#39;]."<br>"; 
echo " age:".$tmp[&#39;AGE&#39;]."<hr>" 
} 
// }}} 

// {{{ 显示翻页链结 
echo $pager->page. " / ".$pager->totalpage." 共 ".$pager->total. "条记录 "; 
if ($pager->prev != 0) 
echo " <a href=$PHP_SELF?page=".$pager->prev.">上一页</a> "; 
else 
echo " 上一页 "; 

if ($pager->next != 0) 
echo " <a href=$PHP_SELF?page=".$pager->next.">下一页</a> "; 
else 
echo " 下一页 "; 
// }}} 
?> 

<?@OCILogoff($conn)?>