(PHP 4 >= 4.0.7, PHP 5)
disk_total_space — Returns the total size of a directory
Given a string containing a directory, this function will return the total number of bytes on the corresponding filesystem or disk partition.
A directory of the filesystem or disk partition.
Returns the total number of bytes as a float.
Example#1 disk_total_space() example
<?php
// $df contains the total number of bytes available on "/"
$df = disk_total_space("/");
// On Windows:
disk_total_space("C:");
disk_total_space("D:");
?>
Note: 此函數不能使用於遠端檔案 ﹐因被檢查的檔案必須通過伺服器的檔案系統存取。