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(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
disk_total_space — Returns the total size of a filesystem or disk partition
Given a string containing a directory, this function will return the total number of bytes on the corresponding filesystem or disk partition.
directory
A directory of the filesystem or disk partition.
Returns the total number of bytes as a float
or false
on failure.
Example #1 disk_total_space() example
<?php
// $ds contains the total number of bytes available on "/"
$ds = disk_total_space("/");
// On Windows:
$ds = disk_total_space("C:");
$ds = disk_total_space("D:");
?>
Note: This function will not work on remote files as the file to be examined must be accessible via the server's filesystem.