public static function parse_parameters($input) { if (!isset($input) || !$input) { return array(); } $pairs = explode('&', $input); $parsed_parameters = array(); foreach ($pairs as $pair) { $split = explode('=', $pair, 2); $parameter = OAuthUtilChat::urldecode_rfc3986($split[0]); $value = isset($split[1]) ? OAuthUtilChat::urldecode_rfc3986($split[1]) : ''; if (isset($parsed_parameters[$parameter])) { // We have already recieved parameter(s) with this name, so add to the list // of parameters with this name if (is_scalar($parsed_parameters[$parameter])) { // This is the first duplicate, so transform scalar (string) into an array // so we can add the duplicates $parsed_parameters[$parameter] = array($parsed_parameters[$parameter]); } $parsed_parameters[$parameter][] = $value; } else { $parsed_parameters[$parameter] = $value; } } return $parsed_parameters; }