Emlog统计最近日期内发表的文章数

<?php //判断网站更新情况
function recentUpdate() {
$Log_Model = new Log_Model();
$today = strtotime(date('Y-m-d'));//今天凌晨时间戳
$threeday = strtotime(date('Y-m-d',strtotime('-3 day')));//3天前凌晨时间戳
$tenday = strtotime(date('Y-m-d',strtotime('-10 day')));//10天前凌晨时间戳
$today_sql = "and date>$today";
$today_num = $Log_Model->getLogNum('n', $today_sql);
$threeday_sql = "and date>$threeday";
$threeday_num = $Log_Model->getLogNum('n', $threeday_sql);
$tenday_sql = "and date>$tenday";
$tenday_num = $Log_Model->getLogNum('n', $tenday_sql);
if($tenday_num=='0'){echo '懒癌！博客废成枯井了，十几天还不更新！';}
elseif($threeday_num=='0'){echo '懒猪！博客快要荒废，连续3天都没有更新文章咯～';}
elseif($today_num=='0'){echo '懒虫！今天还没更新哦～';}
else{echo '小劳模，今天又更新了'.$today_num.'篇文章哟～';}
}
?>

<?php recentUpdate();?>