帝国CMS用户自定义函数取昨天发表的文章数

<?php

function user_ztotal($classid){

global $empire,$class_r,$dbtbpre;

$beginYesterday = mktime(0, 0, 0, date("m"), date("d") -1, date("Y"));

$endYesterday = mktime(0,0,0,date("m") ,date("d"),date("Y"));

$query="select count(*) as total from {$dbtbpre}ecms_".$class_r[$classid][tbname]." WHERE classid=".$classid." and newstime BETWEEN ".$beginYesterday." AND ".$endYesterday;

$num=$empire->gettotal($query);

echo $num;

}

?>