php 文件夹删除、php清除缓存程序

写了个删除文件夹的程序的代码，大家可以参考下。

<?php//文件夹删除与缓存清除//by www.jbxue.comheader('content-type:text/html;charset=utf-8');function delFile($fpath) {$filesize = array();$filepath = iconv('gb2312', 'utf-8', $fpath);if (is_dir($fpath)) {if ($dh = opendir($fpath)) {while (($file = readdir($dh)) !== false) {if($file != '.' && $file != '..') {$filesize[] = delFile($fpath.'/'.$file);}}closedir($dh);}/** 方便统计目录数*/$filesize['file'] = 0;if(@rmdir($fpath) === true) {echo "{$filepath}................删除成功<br>\n";} else {echo "{$filepath}................删除失败<br>\n";}} else {if(is_file($fpath)) {$filesize[] = $fsize = filesize($fpath);if(@unlink($fpath) === true) {echo "{$filepath}...{$fsize}K................删除成功<br>\n";} else {echo "{$filepath}...{$fsize}K................删除失败<br>\n";}}}return $filesize;}/** function getArrSum(array &$arr) 数组求和* array &$arr 被处理数组*/function getArrSum(&$arr) {if(is_array($arr)) {foreach ($arr as &$value) {$value = getArrSum($value);}return array_sum($arr);} else {return $arr;}}$fpath = 'D:/test';$filesize = delFile($fpath);$size = getArrSum($filesize);printf('为您节省：%.3fM 空间', $size/(1024*1024));?>