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disk_free_space

PHP function Edit on GitHub ✎

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

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

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 Falseforfailure.

Examples

disk_free_space() example

php
<?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 No-remote

See Also

Source: reference/filesystem/functions/disk-free-space.xml · from the official PHP manual (php/doc-en)