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Homephp教程php手册disk_free_space -返回目录中的可用空间

disk_free_space -返回目录中的可用空间

Jun 13, 2016 am 11:17 AM
diskfreespaceAvailableTable of contentsspacereturn

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:");
?>


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