/**
* Tests for file writability
*
* is_writable() returns TRUE on Windows servers when you really can't write to
* the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
* @deprecated 3.0.0
* @access private
* @return void
*/
function is_really_writable($file)
{
$fs = new Filesystem();
return $fs->isWritable($file);
}
