core-bundle/src/Resources/contao/library/Contao/User.php
protected function checkAccountStatus()
	{
		@trigger_error('Using User::checkAccountStatus() has been deprecated and will no longer work in Contao 5.0. Use Symfony security instead.', E_USER_DEPRECATED);

		try
		{
			$userChecker = System::getContainer()->get('contao.security.user_checker');
			$userChecker->checkPreAuth($this);
			$userChecker->checkPostAuth($this);
		}
		catch (AuthenticationException $exception)
		{
			return false;
		}

		return true;
	}
protected function checkAccountStatus()
	{
		@trigger_error('Using User::checkAccountStatus() has been deprecated and will no longer work in Contao 5.0. Use Symfony security instead.', E_USER_DEPRECATED);

		try
		{
			$userChecker = System::getContainer()->get('contao.security.user_checker');
			$userChecker->checkPreAuth($this);
			$userChecker->checkPostAuth($this);
		}
		catch (AuthenticationException $exception)
		{
			return false;
		}

		return true;
	}
Check the account status and return true if it is active

@return boolean True if the account is active

@deprecated Deprecated since Contao 4.5, to be removed in Contao 5.0.
Use Symfony security instead.