php数组应用之比较两个时间的相减排序

发布时间：2020-05-10 20:28:23 所属栏目：PHP教程来源：互联网

导读：因网站需要实现两个时间段的所有小说的收藏，点击等操作，特把同事写的代码收藏下，以后有需要研究

$kkk = custom_tuijian("2008-08-15",date("Y-m-d"));
//echo date("Y-m-d");
//print_r($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 "<a href='http://www.kanshule.com/files/article/info/".$ml."http://www.jb51.net/".$bookid.".htm'>".$kkk[$ii][0]."</a>";
    }

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