php数组应用之比较两个时间的相减排序_php实例

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

function custom_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);
$sql2 = “select `r`.*,`a`.`articlename`,`a`.`author`
from `phpsir_record1` `r` inner join `jieqi_article_article` `a`
on `r`.`bookid` = `a`.`articleid` where `r`.`rdate` = ‘$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);
}

return $kk;
}
function calnum($r1,$r2)
{
// 公式 点击/100+推荐*2+收~来1源gaodai#ma#com搞*代#码1网搞代gaodaima码藏+鲜花*10+月票*10
return ($r2[‘clicknum’] – $r1[‘clicknum’]) / 100 + ($r2[‘shoucangnum’] – $r1[‘shoucangnum’])
+ ($r2[‘xianhuanum’] – $r1[‘xianhuanum’]) * 10 + ($r2[‘yuepiaonum’] – $r1[‘yuepiaonum’]) * 10 ;
}
//数据调用方法
for($ii=0; $ii<100; $ii++){
$bookid=$kkk[$ii][2];
$ml=floor($bookid/1000);
echo “”.$kkk[$ii][0].””;
}

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