Description
bool
is_dir ( string filename)
Returns TRUE if the filename exists and is a directory. If
filename is a relative filename, it will be
checked relative to the current working directory.
Note: The results of this
function are cached. See clearstatcache() for
more details.
Note: This function will not work on
remote files as the file to
be examined must be accessible via the servers filesystem.
See also chdir(), dir,
opendir(), is_file() and
is_link().
