It returns the total size of a filesystem or disk partition
Example
<?php
echo disk_total_space(“/”);
?>
Output
239940263936
Daily Archives: May 11, 2012
disk_free_space
It returns available space on filesystem or disk partition
Example
<?php
echo disk_free_space(“/”);
?>
Output
200834342912
dirname
It returns parent directory’s path
Example
<?php
echo dirname(“/var/www”);
?>
Output
/var
delete
Check unlink() or unset()
copy
It can be used to copy file
Example
<?php
copy(“test.txt”,”test.txt.new”) or die(“Failed to copy the file”);
?>
clearstatcache
It can be used to clears file status cache
Example
<?php
clearstatcache();
?>
chown
It can be used to change file ownership
Example
<?php
chown(“test.txt”, “phpcodez”);
?>
chmod
It can be used to change file permission
Example
<?php
chmod(“/var/www/test/”, 0777);
chmod(“/var/www/test/”, “u+rwx,go+rx”);
?>
chgrp
It can be used to change file group
Example
<?php
$file = ‘test.txt’;
chgrp($file,”php”);
?>
basename
It returns trailing name component of path
Example
<?php
echo basename(“/var/www/php”);
?>
Output
php
Pramod T P 