/**
* Get file or extended attribute.
* @see http://www.php.net/stat
*
* @param string $att Attribute name
* @param int $flags FS::% and/or XATTR_% options as binary set
* @return mixed
*/
public function getAttribute($att, $flags = 0)
{
$stat = $flags & Fs::NO_DEREFERENCE ? @lstat($this->_path) : @stat($this->_path);
if ($stat === false) {
$err = error_get_last();
if (!$this->exists()) {
throw new Fs_Exception("Unable to get attribute '{$att}' of '{$this->_path}': " . (is_link($this->_path) ? "File is a broken link" : "File does not exist"));
}
throw new Fs_Exception("Unable to get attribute '{$att}' of '{$this->_path}'", $err);
}
if (isset($stat[$att])) {
return $stat[$att];
}
if ($att == 'type') {
return Fs::mode2type($stat['mode']);
}
if ($att == 'perms') {
return Fs::mode2perms($stat['mode']);
}
if ($att == 'owner') {
return extension_loaded('posix') && ($info = posix_getpwuid($stat['uid'])) ? $info['name'] : $stat['uid'];
}
if ($att == 'group') {
return extension_loaded('posix') && ($info = posix_getgrgid($stat['gid'])) ? $info['name'] : $stat['gid'];
}
if (!extension_loaded('xattr') || !xattr_supported($this->_path, $flags)) {
trigger_error("Unable to get attribute '{$att}' of '{$this->_path}': Extended attributes are not supported.", E_USER_NOTICE);
return null;
}
$value = xattr_get($this->_path, $att);
return $value !== false ? $value : null;
}