isParsableDatetimeString example

throw new UnexpectedTypeException($constraint, Range::class);
        }

        if (null === $value) {
            return;
        }

        $min = $this->getLimit($constraint->minPropertyPath, $constraint->min, $constraint);
        $max = $this->getLimit($constraint->maxPropertyPath, $constraint->max, $constraint);

        if (!is_numeric($value) && !$value instanceof \DateTimeInterface) {
            if ($this->isParsableDatetimeString($min) && $this->isParsableDatetimeString($max)) {
                $this->context->buildViolation($constraint->invalidDateTimeMessage)
                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
                    ->addViolation();
            } else {
                $this->context->buildViolation($constraint->invalidMessage)
                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
                    ->addViolation();
            }

            

throw new UnexpectedTypeException($constraint, Range::class);
        }

        if (null === $value) {
            return;
        }

        $min = $this->getLimit($constraint->minPropertyPath, $constraint->min, $constraint);
        $max = $this->getLimit($constraint->maxPropertyPath, $constraint->max, $constraint);

        if (!is_numeric($value) && !$value instanceof \DateTimeInterface) {
            if ($this->isParsableDatetimeString($min) && $this->isParsableDatetimeString($max)) {
                $this->context->buildViolation($constraint->invalidDateTimeMessage)
                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
                    ->addViolation();
            } else {
                $this->context->buildViolation($constraint->invalidMessage)
                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
                    ->addViolation();
            }