Php/docs/function.disk-free-space
disk_free_space
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
disk_free_space — Returns available space on filesystem or disk partition
Description
disk_free_space
( string $directory
) : float|false
Given a string containing a directory, this function will return the number of bytes available on the corresponding filesystem or disk partition.
Parameters
directoryA 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
or FALSE on failure.
Examples
Example #1 disk_free_space() example
<?php// $df contains the number of bytes available on "/"$df = disk_free_space("/");// On Windows:$df_c = disk_free_space("C:");$df_d = disk_free_space("D:");?>
Notes
Note:
This function will not work onremote files as the file to be examined must be accessible via the server's filesystem.
