PHP Functions Essential Reference

diskfreespace

float diskfreespace(string dir) 

Checks for free disk space within a directory.

Returns:

Number of bytes free; 0 on error

Description:

Given a directory, this function checks for the availability of free space on the corresponding disk. The amount of free space is returned as a number of bytes.

Warning:

3.0.11: Crashes on Windows.

3.0.12: Returns nothing but 0 on Linux.

Example:

Check for free disk space

$free_in_root = diskfreespace("/"); echo ("$free_in_root bytes available in root directory<br />"); $free_in_mnt = diskfreespace("/mnt/hd2"); echo ("$free_in_mnt bytes are mounted<br />");