PHP disk_free_space( ) Function
Last Updated :
26 Jun, 2023
The disk_free_space() function in PHP is an inbuilt function which is used to return the amount of free space in a specified directory. The disk_free_space() function denotes the free space in bytes.
It returns the available space on a filesystem or on a disk partition. The disk_free_space() function returns the number of bytes available on the corresponding filesystem or disk partition for a specified directory inputted as a string.
Syntax:
float disk_free_space ( $directory )
Parameters: The disk_free_space() function in PHP accepts one parameter which is $directory. This parameter specifies the directory which has to be checked.
Return Value: It returns the available space on a filesystem or on a disk partition.
Errors And Exception:
- The disk_free_space() function in PHP may give improper results if a file name is given as parameter instead of a directory.
- The disk_free_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_free_space("D:");
Output : 10969328844
Input : disk_free_space("C:");
Output : 10969327231
Below program illustrates the disk_free_space() function:
Program 1:
<?php
echo disk_free_space( "D:" );
?>
|
Output:
10969328844
Program 2:
<?php
echo disk_free_space( "C:" );
?>
|
Output:
10969327231
Reference:
http://php.net/manual/en/function.disk-free-space.php
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