SenderPicker::getCurrentSender

static function getCurrentSender(): ?string
{
	$settingValue = SettingsManager::getValue();

	if ($settingValue !== SettingsManager::SENDER_AUTO_SELECTION_SETTING_VALUE)
	{
		return self::getSenderByCode($settingValue);
	}

	$senders = SenderRepository::getPrioritizedList();
	foreach ($senders as $sender)
	{
		if ($sender::isConnected())
		{
			return $sender;
		}
	}

	return null;
}