获取windows磁盘的可用空间函数

<?php
/*
*获取某个磁盘的剩余空间
*$param 关联数组，下标是哪个盘，单位，可以是B，KB，MB，GB
*可以设置获取多个磁盘，例如：array(‘C‘=>‘KB‘,‘D‘=>‘MB‘,‘E‘=>‘GB‘,‘F‘=>‘B‘)
*假如出错，返回false
*/
function Space($arr){
//检查参数
if(is_array($arr)){
//初始化存储值
$memory = array();
foreach($arr as $disk=>$size){
$D = strtoupper($disk).‘:‘;//转化为大写的键盘路径
$S = strtoupper($size);//转变为大写的单位
if(in_array($D,array(‘C:‘,‘D:‘,‘E:‘,‘F:‘)) && in_array($S,array(‘B‘,‘KB‘,‘MB‘,‘GB‘,‘TB‘))){
switch($S){
case ‘B‘:
$memory[$disk]= disk_free_space($D).‘B‘;
break;
case ‘KB‘:
$d = round(disk_free_space($D) / 1024);
$memory[$disk] = $d .‘KB‘;
break;
case ‘MB‘:
$d = round(disk_free_space($D) / pow(1024,2));
$memory[$disk]= $d.‘MB‘;
break;
case ‘GB‘:
$d = round(disk_free_space($D) / pow(1024,3));
$memory[$disk]= $d.‘GB‘;
break;
case ‘TB‘:
$d = sprintf("%.4f", disk_free_space($D) / pow(1024,4));
$memory[$disk] = $d .‘TB‘;
break;
default:
return 0;
break;
}
}else{
return null;
}
}
return $memory;
}else{
return null;
}
}
$arr = array(‘c‘=>‘kb‘,‘d‘=>‘Mb‘,‘e‘=>‘Gb‘,‘f‘=>‘Tb‘);
var_dump(Space($arr));

获取windows磁盘的可用空间函数

原文：http://www.cnblogs.com/myliguangming/p/6084076.html