PHP/File Directory/disk total space

disk_total_space.php

 
<?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.)"; 
   }
?>