学步园

<?php<br /> //delfile("upload",10);<br /> function delfile($dir,$n) //删除当DIR路径下N分钟前创建的所有文件;<br /> {<br /> if(is_dir($dir))<br /> {<br /> if($dh=opendir($dir))<br /> {<br /> while (false !== ($file = readdir($dh)))<br /> {<br /> if($file!="." && $file!="..")<br /> {<br /> $fullpath=$dir."/".$file;<br /> if(!is_dir($fullpath))<br /> {<br /> //$filedate=date("Y-m-d", filemtime($fullpath));<br /> $filedate=date("Y-m-d h:i:s", filemtime($fullpath));<br /> //$d1=strtotime(date("Y-m-d"));<br /> $d1=strtotime(date("Y-m-d h:i:s"));<br /> $d2=strtotime($filedate);<br /> //$Days=round(($d1-$d2)/3600/24);<br /> $Days=round(($d1-$d2)/60);<br /> if($Days>$n)<br /> unlink($fullpath); ////删除文件</p> <p> }<br /> }<br /> }<br /> }<br /> closedir($dh);<br /> }<br /> }<br /> ?>