How do I check if a directory is writeable in PHP?

Question

Does anyone know how I can check to see if a directory is writeable in PHP?

The function is_writable doesn\'t work for folders.

Edit: It doe

Answer 1

to be more specific for owner/group/world

$dir_writable = substr(sprintf('%o', fileperms($folder)), -4) == "0774" ? "true" : "false";

peace...