The disk_total_space() function returns the total size of a directory. It returns the total number of bytes of a directory.
Syntax
disk_total_space(dir_name)
Parameters
dir_name − Specify the name of the directory.
Return
The disk_total_space() function returns the total available space in bytes.
Example
<?php echo disk_total_space("/home/"); ?>
Output
944459485184
Let us see another example.
Example
<?php $total_space = disk_total_space("/home/"); echo "Total Available Space: $total_space"; ?>
Output
Total Available Space: 944459485184