disk_free_space
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
Returns available space on filesystem or disk partition
Description
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.
NoteGiven 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 Falseforfailure.
Examples
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:");
?>