PHP/File Directory/Disk Drive

Disk total space

<?php
   $systempartitions = array("/", "/home","/usr", "/www");
   foreach ($systempartitions as $partition) {
      $totalSpace = disk_total_space($partition) / 1048576;
      $usedSpace = $totalSpace - disk_free_space($partition) / 1048576;
      echo "Partition: $partition (Allocated: $totalSpace MB. Used: $usedSpace MB.) <BR>";
   }
?>

Get disk free space for Unix/Linux

<?
$space = diskfreespace("/");
echo "$space";
?>

Get free disk space for C: drive

<?
$space = diskfreespace("C:\\");
echo "$space";
?>