減算ソートで 2 つの値を比較する PHP 配列アプリケーション

$kkk =custom_tuijian("2008-08-15",date("Y-m-d"));
//echo date("Y-m-d");
//print_r($kkk);

functioncustom_tuijian($a,$b)
{
$sql = "select `r`.*,`a`.`articlename`,`a`.`author`
from `phpsir_record1` `r` inner join `jieqi_article_article` `a`
on `r`.`bookid` = `a`.`articleid` where `r`.`rdate` = '$a' ";
$res = mysql_query($sql);
$sql2 = "select `r`.*,`a`.`articlename`,`a`.`author`
from `phpsir_record1` `r` 内部結合 `jieqi_article_article` `a`
`r`.`bookid` = `a`.`articleid` where `r`.`rdate` = '$b' ";
$res2 = mysql_query($sql2);
while($row = mysql_fetch_assoc($res))
{
$row2 = mysql_fetch_assoc($res2);
$calnum = calnum($row,$row2);
$a_a[$row['bookid']] = $calnum;
$x[$row['bookid']] = array($row["articlename"],$row["author"],$row["bookid"]);
}
arsort($a_a);
foreach($a_a as $k=>$v)
{

$kk[] = array($x[$k][0],$x[$k][ 1],$x[$k][2],$v);
}

$kk を返す;
}
function calnum($r1,$r2)
{
// 公式点击/100 推荐*2 收藏 鲜花*10 月票*10
return ($r2['clicknum' ] - $r1['clicknum']) / 100 ($r2['shoucangnum'] - $r1['shoucangnum'])
($r2['xianhuanum'] - $r1['xianhuanum']) * 10 ($r2['yuepiaonum'] - $r1['yuepiaonum']) * 10 ;
}
//データ调用メソッド
for($ii=0; $ii $bookid=$kkk[$ii][2];
$ml=フロア($bookid/1000);
echo "".$kkk[ $ii][0]."";
}