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Website Programming in PHP / MYSQL
disk_free_space
(PHP 4 >= 4.0.7, PHP 5)
disk_free_space — Returns available space in directory
Description
float disk_free_space
( string $directory
)
Given a string containing a directory, this function will return the number of bytes available on the corresponding filesystem or disk partition.
Parameters
- directory
-
A directory of the filesystem or disk partition.
Note: Given a file name instead of a directory, the behaviour of the function is unspecified and may differ between operating systems and PHP versions.
Return Values
Returns the number of available bytes as a float.
Examples
Example #1 disk_free_space() example
<?php
// $df contains the number of bytes available on "/"
$df = disk_free_space("/");
// On Windows:
disk_free_space("C:");
disk_free_space("D:");
?>
Notes
Note: This function will not work on remote files as the file to be examined must be accessible via the server's filesystem.
