EC-CUBE / ec-cube

        $parser->match(Lexer::T_OPEN_PARENTHESIS);

        $upperField = strtoupper($lexer->lookahead['value']);

        if ($lexer->lookahead['type'] !== Lexer::T_IDENTIFIER || !isset($this->formats[$upperField])) {

            $parser->syntaxError(implode('/', array_keys($this->formats)));

        }

        $parser->match(Lexer::T_IDENTIFIER);

        $this->field = $upperField;

        $next = $lexer->glimpse();

        if (isset($next['type']) && $next['type'] === Lexer::T_STRING) {

            $upperType = strtoupper($lexer->lookahead['value']);

            if ($lexer->lookahead['type'] !== Lexer::T_IDENTIFIER || !in_array($upperType, $this->dateTimeTypes, true)) {

                $parser->syntaxError(implode('/', $this->dateTimeTypes));

            }

            $parser->match(Lexer::T_IDENTIFIER);

            $this->type = $upperType;

        }