Opsway\Doctrine\DBAL\Types\ArrayInt::convertToDatabaseValue PHP Метод

    public function convertToDatabaseValue($array, AbstractPlatform $platform)
    {
        if ($array === null) {
            return;
        }
        $convertArray = [];
        foreach ($array as $value) {
            if (!is_numeric($value)) {
                continue;
            }
            $convertArray[] = (int) $value;
        }
        return '{' . implode(',', $convertArray) . '}';
    }