src/Repositories/TranslatorRepository.php
public static function dbValue($value, $nullValue = 'NULL')
    {
        if ($value === null) {
            return $nullValue;
        }

        if (is_string($value)) {
            return '\'' . str_replace('\'', '\'\'', $value) . '\'';
        }

        if (is_bool($value)) {
            return $value ? '1' : '0';
        }

        return $value;
    }
public static function dbValue($value, $nullValue = 'NULL')
    {
        if ($value === null) {
            return $nullValue;
        }

        if (is_string($value)) {
            return '\'' . str_replace('\'', '\'\'', $value) . '\'';
        }

        if (is_bool($value)) {
            return $value ? '1' : '0';
        }

        return $value;
    }
Return value to be used for concatenation as a database value

@param         $value
@param  string $nullValue to be used if value is null

@return string