The disk_total_space() function in PHP is an inbuilt function which is used to return the total space of a specified directory. The disk_total_space() function denotes the total space in bytes. It returns the total space on a filesystem or on a disk partition.
The disk_total_space() function returns the total number of bytes on the corresponding filesystem or disk partition for a specified directory inputted as a string.
Syntax:
float disk_total_space ( string $directory )
Parameters: The disk_total_space() function in PHP accepts only one parameter $directory which is directory.
Return Value: It returns the total space on a filesystem or on a disk partition.
Errors And Exception:
- The disk_total_space() function in PHP may give improper results if a file name is given as parameter instead of a directory.
- The disk_total_space() function in PHP doesn’t works for remote files.It only works on files which are accessible by the server’s filesystem.
Examples:
Input : disk_total_space("D:");
Output : 10969328844798729
Input : disk_total_space("C:");
Output : 104379834795739795
Below programs illustrate the disk_total_space() function:
Program 1:
<?php   // specifying directory to check for total space echo disk_total_space("D:");   ?> |
Output:
10969328844798729
Program 2:
<?php   // specifying directory to // check for total space $space = disk_total_space("C:");   echo "C: drive has a total capacity                     of $space bytes.";   ?> |
Output:
C: drive has a total capacity of 104379834795739795 bytes.
Reference:
http://php.net/manual/en/function.disk-total-space.php
