1, 'nc' => 1, 'cnonce' => 1, 'qop' => 1, 'username' => 1, 'uri' => 1, 'response' => 1); $data = array(); preg_match_all('@(\w+)=(?:(?:")([^"]+)"|([^\s,$]+))@', $digest, $matches, PREG_SET_ORDER); foreach ($matches as $m) { $data[$m[1]] = $m[2] ? $m[2] : $m[3]; unset($needed_parts[$m[1]]); } return $needed_parts ? false : $data; }