phpmyadmin / sql-parser

                    $lineEnded = true;

                    array_push($blocksIndentation, $indent);

                    ++$indent;

                } elseif ($curr->type === Token::TYPE_KEYWORD && $curr->value === 'END') {

                    $lineEnded = true;

                    $indent = array_pop($blocksIndentation);

                }

                // Formatting fragments delimited by comma.

                if ($prev->type === Token::TYPE_OPERATOR && $prev->value === ',') {

                        $shortGroup = false;

                    }

                    array_push($blocksLineEndings, $lineEnded);

                } elseif ($curr->type === Token::TYPE_OPERATOR && $curr->value === ')') {

                    $indent = array_pop($blocksIndentation);

                    $lineEnded |= array_pop($blocksLineEndings);

                    $shortGroup = false;

                }

                // Adding the token.

                $ret .= $this->toString($prev);