笨小孩心情驿站

<?php
set_time_limit(0);
function dir_clear($dir,$size) {
    $directory = dir($dir);                
    while($entry = $directory->read()) {  
        $filename = $dir.'/'.$entry;        
        if(is_file($filename)) {        
            if(filesize($filename)<$size){
    @unlink($filename);
    }
        }
    }
    $directory->close();                   //关闭读取目录文件的类
}
dir_clear("./data",1);
?>