GoLang disk_free_space

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GoLang replacement for PHP's disk_free_space [edit | history]
func DiskFreeSpace(directory string) (uint64, error) {
	fs := syscall.Statfs_t{}
	err := syscall.Statfs(directory, &fs)
	if err != nil {
		return 0, err
	return fs.Bfree * uint64(fs.Bsize), nil

PHP disk_free_space

PHP original manual for disk_free_space [ show | php.net ]


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

disk_free_spaceReturns available space on filesystem or disk partition


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.



A directory of the filesystem or disk partition.


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.


Example #1 disk_free_space() example

// $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:");


Note: This function will not work on remote files as the file to be examined must be accessible via the server's filesystem.

See Also