Home > php教程 > php手册 > body text

disk_free_space -返回目录中的可用空间

WBOY
Release: 2016-06-13 11:17:09
Original
1208 people have browsed it

disk_free_space -返回目录中的可用空间  

disk_free_space
( PHP 4中“ = 4.1.0 , PHP 5中)

disk_free_space -返回目录中的可用空间

描述
浮法disk_free_space (字符串$目录)
鉴于一个字符串包含一个目录,该函数将返回的字节数提供相应的文件或分区。

参数

目录
目录的文件或分区。

注:由于文件名而不是一个目录,行为的功能不详,可能是不同的操作系统和PHP版本。



返回值
返回一些可用字节为float 。

实例

例如# 1 disk_free_space ( )的例子

// $df contains the number of bytes available on "/"
$df = disk_free_space("/");

// On Windows:
disk_free_space("C:");
disk_free_space("D:");
?>


source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template