framework/i18n/Formatter.php
protected function isNormalizedValueMispresented($value, $normalizedValue)
    {
        if (empty($value)) {
            $value = 0;
        }

        return (string) $normalizedValue !== $this->normalizeNumericStringValue((string) $value);
    }
protected function isNormalizedValueMispresented($value, $normalizedValue)
    {
        if (empty($value)) {
            $value = 0;
        }

        return (string) $normalizedValue !== $this->normalizeNumericStringValue((string) $value);
    }
Checks if string representations of given value and its normalized version are different.
@param string|float|int $value
@param float|int $normalizedValue
@return bool
@since 2.0.16